1 00:00:07,925 --> 00:00:09,969 -[meows] -[triumphant music] 2 00:00:13,556 --> 00:00:14,807 [chirping] 3 00:00:14,891 --> 00:00:17,602 ♪ How, what, where, why What, where, why? ♪ 4 00:00:17,685 --> 00:00:20,354 ♪ How, what, where, why? What, where, why? ♪ 5 00:00:20,438 --> 00:00:22,857 ♪ Ada Twist, scientist ♪ 6 00:00:22,940 --> 00:00:25,818 ♪ She's gonna find out What the answer is ♪ 7 00:00:25,902 --> 00:00:28,488 ♪ Under here, over there ♪ 8 00:00:28,571 --> 00:00:30,948 ♪ Science is everywhere you look ♪ 9 00:00:31,032 --> 00:00:33,910 ♪ With Iggy Peck, architect ♪ 10 00:00:33,993 --> 00:00:36,412 ♪ And Rosie Revere, engineer ♪ 11 00:00:36,496 --> 00:00:39,207 ♪ So much to do and you can help too ♪ 12 00:00:39,290 --> 00:00:42,043 ♪ A mystery, a riddle, a puzzle, Or a quest ♪ 13 00:00:42,126 --> 00:00:45,004 ♪ There are wonders to discover And hypotheses to test ♪ 14 00:00:45,087 --> 00:00:46,547 ♪ Science is the best! ♪ 15 00:00:46,631 --> 00:00:48,966 ♪ Ada Twist, scientist ♪ 16 00:00:49,050 --> 00:00:51,761 ♪ She's gonna find out What the answer is ♪ 17 00:00:51,844 --> 00:00:56,265 ♪ Everywhere science is She's forming a hypothesis ♪ 18 00:00:56,349 --> 00:00:59,685 ♪ Connecting polka dots 'Cause this is Scientist Ada Twist! ♪ 19 00:01:02,063 --> 00:01:03,815 [Ada speaking] 20 00:01:03,898 --> 00:01:06,109 -[sighs] -[Ada] Six, seven, eight. 21 00:01:06,192 --> 00:01:09,946 That should be enough chairs for the audience. Nice design work! 22 00:01:10,029 --> 00:01:12,824 All we need now is for someone to make a big entrance. 23 00:01:12,907 --> 00:01:15,743 -I'm here! -[Ada, Iggy laugh] 24 00:01:15,827 --> 00:01:19,330 Are the programs ready? Snacks? Tickets? What time does the audience get here? 25 00:01:19,413 --> 00:01:21,499 I'm usually the one with all the questions. 26 00:01:21,582 --> 00:01:25,253 Sorry. Since I've been taking piano lessons with my Great Aunt Rose, 27 00:01:25,336 --> 00:01:27,255 I've gotten really good. 28 00:01:27,338 --> 00:01:29,257 I can't wait for our first-ever 29 00:01:29,340 --> 00:01:32,718 Saturday afternoon living room concert recital! 30 00:01:32,802 --> 00:01:34,220 I'm excited too. 31 00:01:34,303 --> 00:01:37,265 I'm nervous. And excited! But mostly nervous. 32 00:01:37,348 --> 00:01:38,641 Everything's ready. 33 00:01:38,724 --> 00:01:42,603 Chairs, tickets, programs, and our instruments, of course. 34 00:01:42,687 --> 00:01:46,149 My musical beakers! Where music meets science. 35 00:01:46,232 --> 00:01:49,569 And my Boom-Boom Blaster. Isn't it beautiful? 36 00:01:49,652 --> 00:01:53,781 It's like a skyscraper made of drums. Call me Iggy Peck, drum architect. 37 00:01:53,865 --> 00:01:55,908 -[cymbal crash] -Whoa! For me, it's less 38 00:01:55,992 --> 00:01:58,870 about the loudness and more about the design. 39 00:01:58,953 --> 00:02:00,663 -[laughs] Heya! -Mornin', hon. 40 00:02:00,746 --> 00:02:04,876 Sharp-looking piano, Mr. and Mrs. T. Ought to be able to play 41 00:02:04,959 --> 00:02:06,919 -a real nice, bouncy C. -Huh? 42 00:02:07,003 --> 00:02:09,505 That's how my Great Aunt Rose talks about music. 43 00:02:09,589 --> 00:02:12,091 It's so nice to see this old thing get some use. 44 00:02:12,175 --> 00:02:17,597 -Remember how you used to serenade me? -[vocalizing] Oh, I still do, baby. 45 00:02:17,680 --> 00:02:20,433 -[all laugh] -[yowls] 46 00:02:20,516 --> 00:02:22,435 -[notes play] -[meows] 47 00:02:22,518 --> 00:02:23,853 Your concert got me thinkin'. 48 00:02:23,936 --> 00:02:26,314 I might want to dig out my old bass from the garage, 49 00:02:26,397 --> 00:02:28,441 have a Saturday morning jam. 50 00:02:28,524 --> 00:02:31,110 Sounds delicious! Make mine strawberry with toast. 51 00:02:31,193 --> 00:02:33,487 My dad means a musical jam, Iggy. 52 00:02:33,571 --> 00:02:36,866 When you make up music on the spot, just for fun. 53 00:02:36,949 --> 00:02:40,620 That's awesome, and disappointing at the same time. 54 00:02:40,703 --> 00:02:45,541 -[laughs] I'll get some strawberry jam. -Sweet. Thanks, Mr. Twist. 55 00:02:45,625 --> 00:02:48,085 One hour, everybody. One hour! 56 00:02:48,169 --> 00:02:50,880 [whispers] Did your brother turn into a human alarm clock? 57 00:02:50,963 --> 00:02:53,633 No, he just promised to be our stage manager. 58 00:02:53,716 --> 00:02:56,636 As long as I get to open the show with some of my magic. 59 00:02:56,719 --> 00:02:59,013 I'm gonna pull a rabbit out of this hat. 60 00:02:59,764 --> 00:03:01,557 -[squeaking] -Huh? 61 00:03:02,725 --> 00:03:04,352 [sighs] One hour. 62 00:03:05,102 --> 00:03:07,897 An hour? Oh, my gosh, I hope I practiced enough! 63 00:03:07,980 --> 00:03:10,024 [growls] That's forever from now! 64 00:03:10,107 --> 00:03:13,736 -Let's rehearse while we wait. -Okay. I can get my nerves out. 65 00:03:13,819 --> 00:03:17,073 I don't know exactly how that works, but my mom always says it. 66 00:03:17,156 --> 00:03:19,867 Great thinking. First, we need a running order. 67 00:03:19,951 --> 00:03:21,577 No one said anything about running! 68 00:03:21,661 --> 00:03:24,956 No, a running order is who plays first, second, and third. 69 00:03:25,039 --> 00:03:26,749 We could all play together. 70 00:03:26,832 --> 00:03:29,627 But then the audience won't get to see each of our talents. 71 00:03:29,710 --> 00:03:31,671 -Iggy, you'll go first. -[gasps] 72 00:03:31,754 --> 00:03:35,967 Your Boom-Boom Blaster will really wake up the crowd! 73 00:03:36,050 --> 00:03:38,010 But everybody will already be awake. 74 00:03:39,095 --> 00:03:42,473 -It doesn't have to be too loud. Whoa! -[cymbal crashes] 75 00:03:42,556 --> 00:03:47,895 -Maybe I can just show it off. -Ada will play her musical beakers next. 76 00:03:47,979 --> 00:03:51,065 -DJ Beakers in the lab. -[glass humming] 77 00:03:51,148 --> 00:03:52,400 Then I'll play. 78 00:03:54,318 --> 00:03:56,821 -[fingers crack] -[piano plays out of tune] 79 00:03:56,904 --> 00:03:59,281 -Uh… [coughs] -[piano plays out of tune] 80 00:03:59,365 --> 00:04:02,910 -[yowls] -Huh? I've been practicing for weeks. 81 00:04:02,994 --> 00:04:05,913 -And I'm really good. -[classical orchestra plays] 82 00:04:05,997 --> 00:04:10,293 When I play, it's like my fingers are dancing across the keys. 83 00:04:10,376 --> 00:04:12,753 Like I'm two-stepping over the ivories. 84 00:04:13,421 --> 00:04:14,755 Like this. 85 00:04:14,839 --> 00:04:16,382 -[piano plays out of tune] -[yowls] 86 00:04:16,465 --> 00:04:17,633 [both groan] 87 00:04:17,717 --> 00:04:20,678 [growls] Where did all my talent go? 88 00:04:20,761 --> 00:04:23,723 Aunt is gonna be so disappointed when she hears me. 89 00:04:23,806 --> 00:04:25,391 Know what might help? Science! 90 00:04:25,474 --> 00:04:28,769 We could solve this problem using the scientific method. 91 00:04:28,853 --> 00:04:31,063 ♪ Scientific method! ♪ 92 00:04:31,147 --> 00:04:32,732 ♪ We have an observation ♪ 93 00:04:32,815 --> 00:04:35,026 ♪ So we'll start with a question ♪ 94 00:04:35,568 --> 00:04:37,820 -Do research! -Form a hypothesis. 95 00:04:37,903 --> 00:04:40,489 ♪ And test with experiments ♪ 96 00:04:40,573 --> 00:04:42,491 ♪ What do we find out? ♪ 97 00:04:42,575 --> 00:04:44,368 ♪ Let's draw a conclusion ♪ 98 00:04:45,286 --> 00:04:49,623 ♪ Write it all down And pass around the results ♪ 99 00:04:49,707 --> 00:04:52,001 ♪ That's the scientific method! ♪ 100 00:04:52,084 --> 00:04:53,669 To start, we'll need-- 101 00:04:53,753 --> 00:04:55,546 A hippo-sissi-mist! 102 00:04:55,629 --> 00:04:59,342 A hypothesis! We're gonna imagine an explanation. 103 00:04:59,425 --> 00:05:02,219 Oh! Oh! Oh! I've got a hypothesis! Frogs. 104 00:05:02,303 --> 00:05:03,846 -Frogs? -Go on. 105 00:05:03,929 --> 00:05:06,849 One time when I was sick, I sounded really funny 106 00:05:06,932 --> 00:05:12,438 and my mom said I had frogs in my throat! So maybe some got into the piano. 107 00:05:12,521 --> 00:05:16,233 [frogs croak in harmony] 108 00:05:17,109 --> 00:05:19,945 Let's test your hypothesis by looking inside. 109 00:05:20,821 --> 00:05:22,907 Nope. No frogs. 110 00:05:22,990 --> 00:05:26,118 -[note sounds] -[coughs] Just dust. 111 00:05:26,202 --> 00:05:29,038 Or wicked fairy dust? 112 00:05:29,121 --> 00:05:31,874 Maybe a fairy who hates music 113 00:05:31,957 --> 00:05:36,754 could be trying to stop our recital by sprinkling bad fairy dust everywhere. 114 00:05:37,254 --> 00:05:39,590 Interesting theory. Let's test it. 115 00:05:41,384 --> 00:05:44,512 There. No more dust. Go ahead, Rosie. Play something. 116 00:05:44,595 --> 00:05:46,680 -[piano plays out of tune] -[yowls] 117 00:05:46,764 --> 00:05:49,934 -[both groan] -Guess it wasn't wicked fairy dust. 118 00:05:50,017 --> 00:05:51,268 I was so sure. 119 00:05:51,352 --> 00:05:56,023 Maybe it's my fingers. Great Aunt Rose always talks about limbering them up. 120 00:05:56,107 --> 00:05:58,442 Must be it. Your fingers aren't warmed up. 121 00:05:58,526 --> 00:05:59,485 Mm! 122 00:05:59,568 --> 00:06:02,613 So we've just gotta give them a good workout! 123 00:06:03,864 --> 00:06:05,866 [drum line playing] 124 00:06:14,083 --> 00:06:17,628 [sighs] My fingers are in tip-top shape. 125 00:06:19,046 --> 00:06:21,173 -[piano plays out of tune] -[yowls] 126 00:06:21,799 --> 00:06:23,551 [sighs] We tried everything. 127 00:06:23,634 --> 00:06:26,887 If we could see what was wrong, then we could fix it! 128 00:06:26,971 --> 00:06:31,267 [groans] Just leave me here and do the recital around me. 129 00:06:31,350 --> 00:06:34,770 Come on, Rosie! Scientists don't quit. We've got grit. 130 00:06:34,854 --> 00:06:36,981 Here comes the Jelly-Jiggler. 131 00:06:37,773 --> 00:06:38,983 [muffled chords playing] 132 00:06:39,066 --> 00:06:42,194 -[meows] -Why is the Jelly-Jiggler jiggling? 133 00:06:42,278 --> 00:06:44,905 Uh, the more important question is 134 00:06:44,989 --> 00:06:47,700 what's that sound and why is it getting louder? 135 00:06:47,783 --> 00:06:50,077 -[jiggling] -It's a Unicorn-a-saurus! 136 00:06:50,161 --> 00:06:51,162 Take cover! 137 00:06:51,245 --> 00:06:54,874 Uh, kids, I don't think that's a Unicorn-a-saurus. 138 00:06:54,957 --> 00:06:57,334 Just your dad warming up his bass in the garage. 139 00:06:57,418 --> 00:07:02,256 Your dad can make his bass sound like a Unicorn-a-saurus? Cool! 140 00:07:02,339 --> 00:07:06,594 Or the sound of dad's bass was making the Jelly-Jiggler jiggle! 141 00:07:06,677 --> 00:07:08,387 This we've gotta see. 142 00:07:08,471 --> 00:07:11,182 [low rumble growing] 143 00:07:11,265 --> 00:07:12,683 -Oh, hey, kids. -Hi, Dad! 144 00:07:12,766 --> 00:07:13,976 [bass playing] 145 00:07:14,059 --> 00:07:17,771 The sound of Dad's bass is making the Jelly-Jiggler jiggle. 146 00:07:17,855 --> 00:07:19,773 I read about this and took some notes 147 00:07:19,857 --> 00:07:22,526 in my Big Book of Discoveries and Inventions. 148 00:07:22,610 --> 00:07:23,486 Come on. 149 00:07:24,361 --> 00:07:28,449 Where ya going? It's been a while, but I didn't think I was that bad. 150 00:07:29,325 --> 00:07:30,618 Loading the lab. 151 00:07:30,701 --> 00:07:34,330 [thrilling music plays] 152 00:07:40,294 --> 00:07:41,587 Here are my notes. 153 00:07:41,670 --> 00:07:46,592 Sound pushes tiny air molecules around, which turns them into sound waves. 154 00:07:46,675 --> 00:07:48,385 Neat trick. 155 00:07:48,469 --> 00:07:51,722 [Ada] We usually can't see the waves, because they're teeny. 156 00:07:51,805 --> 00:07:53,349 But Dad's bass is so loud 157 00:07:53,432 --> 00:07:57,311 that the sound waves hit the Jelly-Jiggler so hard it jiggles. 158 00:07:57,394 --> 00:07:58,687 Like this! 159 00:07:58,771 --> 00:08:00,147 [all] Whoo! 160 00:08:00,231 --> 00:08:01,982 [all laughing] 161 00:08:02,066 --> 00:08:05,069 Too bad we can't see the sound of Rosie's playing. 162 00:08:05,152 --> 00:08:08,781 Then we could figure out why it's so bad. 163 00:08:08,864 --> 00:08:11,325 -Sorry, Rosie. -Hey, it's the truth, Ruth. 164 00:08:11,408 --> 00:08:14,119 [gasps] Iggy, you're a genius! 165 00:08:14,203 --> 00:08:15,996 -I am? -Own it, Iggy. 166 00:08:16,080 --> 00:08:18,123 I mean, I am. I am! 167 00:08:18,207 --> 00:08:19,833 Uh, why? 168 00:08:19,917 --> 00:08:23,337 Because maybe there is a way we can see Rosie's music. 169 00:08:23,420 --> 00:08:25,047 With an oscilloscope. 170 00:08:25,130 --> 00:08:28,300 Of course! An oh-silly-oh-scope! Uh… 171 00:08:28,384 --> 00:08:31,553 I mean, oh-sill-oh… Nope, that's not it. 172 00:08:31,637 --> 00:08:32,680 An oscilloscope. 173 00:08:32,763 --> 00:08:35,933 A machine that shows sound as lines on a monitor. 174 00:08:36,016 --> 00:08:38,477 Oh! I'll design a simple one we can make. 175 00:08:38,561 --> 00:08:41,855 Looks like we can make it with, let's see, 176 00:08:41,939 --> 00:08:44,817 an old smartphone, a TV, an umbrella… 177 00:08:44,900 --> 00:08:46,777 [gasps] And three jelly beans. 178 00:08:46,860 --> 00:08:48,946 -What are the jelly beans for? -My mouth. 179 00:08:49,029 --> 00:08:50,906 -[laughter] -Let's get to work! 180 00:08:50,990 --> 00:08:52,616 [upbeat funk playing] 181 00:08:58,706 --> 00:09:02,501 Great job, you two. Now let's put this oscilloscope to work. 182 00:09:04,920 --> 00:09:07,339 Okay, Rosie. Ready when you are. 183 00:09:07,423 --> 00:09:08,966 Ten minutes 'til showtime. 184 00:09:09,967 --> 00:09:10,801 [squeaking] 185 00:09:10,884 --> 00:09:13,596 -What? How'd that get there? -We've gotta hurry. 186 00:09:14,597 --> 00:09:17,057 -[piano plays] -[Iggy] The oscilloscope's working. 187 00:09:17,141 --> 00:09:20,394 But is that what music is supposed to look like? 188 00:09:20,477 --> 00:09:22,271 It's so wonky. 189 00:09:23,689 --> 00:09:26,191 Dad, play something funky. 190 00:09:26,275 --> 00:09:29,570 You are in luck. "Funky" is my middle name. 191 00:09:29,653 --> 00:09:32,823 [funky bass line plays] 192 00:09:32,906 --> 00:09:35,951 Now, that looks more musical. 193 00:09:36,035 --> 00:09:37,703 That means it's in tune. 194 00:09:37,786 --> 00:09:41,206 See the curved lines follow a pattern? That's how you tell. 195 00:09:41,290 --> 00:09:44,001 Wow! That is so cool! 196 00:09:44,084 --> 00:09:45,836 Now you, Rosie. 197 00:09:45,919 --> 00:09:47,421 -[plays out of tune] -Oh! 198 00:09:47,504 --> 00:09:52,718 Those two sounds look totally different. Mr. Twist's funky music makes smooth lines 199 00:09:52,801 --> 00:09:55,220 and the piano music makes wonky lines. 200 00:09:55,304 --> 00:09:56,847 [sighs] 201 00:09:56,930 --> 00:09:59,433 The smooth lines mean the bass is in tune, 202 00:09:59,516 --> 00:10:04,063 so those wonky lines must mean the piano is out of tune. 203 00:10:04,146 --> 00:10:06,815 That's what it looks like, and sounds like. 204 00:10:06,899 --> 00:10:10,361 [gasps] Yay! It's not me or my talent. 205 00:10:10,944 --> 00:10:12,363 Hmm, we can fix this. 206 00:10:12,446 --> 00:10:15,449 We just have to tighten the strings the right amount… 207 00:10:15,532 --> 00:10:17,743 -[notes sound] -…'til the piano is in tune. 208 00:10:17,826 --> 00:10:19,036 Give me a bouncy C, Rosie. 209 00:10:20,037 --> 00:10:21,580 -[note plays in tune] -[gasps] 210 00:10:21,664 --> 00:10:23,665 That should do it. Play something. 211 00:10:23,749 --> 00:10:26,085 [piano, bass play in tune] 212 00:10:26,168 --> 00:10:29,213 -Yay! -I'm back! 213 00:10:29,296 --> 00:10:33,175 The audience is here. Zero minutes, people. Zero minutes. 214 00:10:33,258 --> 00:10:35,719 -It's showtime! -[triumphant music plays] 215 00:10:35,803 --> 00:10:36,845 Cool! 216 00:10:38,055 --> 00:10:38,889 -Yup. -[meows] 217 00:10:38,972 --> 00:10:40,933 -[audience] Oh! -[Mr. Twist] Nice. 218 00:10:41,016 --> 00:10:42,935 -[applause] -Woo! 219 00:10:44,353 --> 00:10:47,773 Ladies and gentlemen, there's been a last-minute change. 220 00:10:47,856 --> 00:10:51,110 Instead of playing solos, my friends and I will play as a group. 221 00:10:51,193 --> 00:10:55,906 That's how we solved a big problem today. And that's how we work best. Together. 222 00:10:56,699 --> 00:10:58,951 -Then we'd better get the toast. -Why? 223 00:10:59,034 --> 00:11:02,371 -Because it's time to jam! -[drum solo] 224 00:11:02,454 --> 00:11:04,081 [shrieks] But not too hard. 225 00:11:04,164 --> 00:11:05,541 [all laugh] 226 00:11:06,875 --> 00:11:09,294 [instruments harmonizing beautifully] 227 00:11:10,462 --> 00:11:13,716 -[Mr. Twist] Hey! All right! -[Arthur] Yeah! 228 00:11:13,799 --> 00:11:15,634 [audience cheering] Okay! Yeah! 229 00:11:18,762 --> 00:11:19,847 Hmm. [gasps] 230 00:11:19,930 --> 00:11:24,101 I have an idea. Let's meet another scientist. Come on! 231 00:11:27,980 --> 00:11:29,356 [upbeat music playing] 232 00:11:29,440 --> 00:11:31,150 Hi, I'm Susan Miziker. 233 00:11:31,233 --> 00:11:34,653 And I'm Dr. Avila. We're both doctors of audiology. 234 00:11:34,737 --> 00:11:37,656 We're here today to talk about how the ear works 235 00:11:37,740 --> 00:11:40,200 and how you hear sound waves. 236 00:11:40,284 --> 00:11:44,204 People come to us when they have a hearing-related problem. 237 00:11:44,288 --> 00:11:48,584 We measure how people hear, whether you can hear soft whispers… 238 00:11:48,667 --> 00:11:50,002 [whispers] Hi. How are you? 239 00:11:50,085 --> 00:11:51,545 [shouts] Or loud sounds! 240 00:11:51,628 --> 00:11:56,800 So the sound as I'm talking travels all the way into… 241 00:11:56,884 --> 00:11:58,510 -My ear. -[Dr. Avila] There. 242 00:11:58,594 --> 00:12:02,139 [Dr. Miziker] The ear funnels the sound to the eardrum. 243 00:12:02,222 --> 00:12:05,517 The eardrum vibrates with the sound wave, 244 00:12:05,601 --> 00:12:09,021 then the little bones that are attached behind the eardrum 245 00:12:09,104 --> 00:12:13,442 send that vibration into the inner ear. 246 00:12:13,525 --> 00:12:15,736 That's where the cochlea is. 247 00:12:15,819 --> 00:12:17,529 The cochlea's very special, 248 00:12:17,613 --> 00:12:24,077 because it turns the vibrations of sound into signals that are sent to the brain 249 00:12:24,161 --> 00:12:27,247 so that the brain knows what you are hearing. 250 00:12:27,331 --> 00:12:28,582 [Ada] Whoa! 251 00:12:28,665 --> 00:12:29,917 Fun fact! 252 00:12:30,417 --> 00:12:32,920 Earwax is actually good for you. 253 00:12:33,003 --> 00:12:39,259 It protects you from particles of dust, and bacteria, and fungal infections. 254 00:12:39,343 --> 00:12:42,805 -Even insects from getting into your ear. -[Ada] Gross! 255 00:12:42,888 --> 00:12:45,641 Wasn't that cool? Science is the best! 256 00:12:48,185 --> 00:12:49,686 [upbeat music playing] 257 00:12:49,770 --> 00:12:50,771 [Ada speaking] 258 00:12:50,854 --> 00:12:55,526 Hmm, just a few more colors and this unicorn painting will be done. 259 00:12:55,609 --> 00:12:58,403 Unicorns love color! 260 00:12:58,487 --> 00:13:00,614 [Rosie hums] 261 00:13:00,697 --> 00:13:02,866 Dance floor is almost ready. 262 00:13:02,950 --> 00:13:04,868 And party hats are almost glittery enough. 263 00:13:05,452 --> 00:13:06,453 -[meows] -Oops. 264 00:13:07,287 --> 00:13:11,041 -[meows] -[laughs] You're part of the glitterati. 265 00:13:11,124 --> 00:13:13,627 Ew! Now it's stuck to my finger. 266 00:13:15,003 --> 00:13:18,257 Why can't you ever get glitter off your finger? 267 00:13:18,340 --> 00:13:21,760 -That's a question for "The Why Files." -Great question. 268 00:13:21,843 --> 00:13:25,514 I have a question. Why does it look like a rainbow crashed into our backyard? 269 00:13:25,597 --> 00:13:28,684 -We're having a party for… -[triumphant music builds] 270 00:13:28,767 --> 00:13:31,687 -[all] Intergalactic Unicorn Day! -[Rosie grunts] 271 00:13:32,729 --> 00:13:33,772 Never heard of it. 272 00:13:33,856 --> 00:13:37,484 Does it have to have every color in the rainbow? And confetti? 273 00:13:37,568 --> 00:13:41,530 The colors are rule number one for Intergalactic Unicorn Day. 274 00:13:41,613 --> 00:13:44,992 The confetti is Rosie Rule Number One for life. 275 00:13:45,075 --> 00:13:47,160 Rule number two of Intergalactic Unicorn Day, 276 00:13:47,244 --> 00:13:49,371 you have to have a unicorn picnic outside. 277 00:13:49,454 --> 00:13:53,792 And rule number three, you have to do a unicorn dance called… 278 00:13:53,876 --> 00:13:56,086 The Unicorn Stampede! 279 00:13:56,169 --> 00:13:59,423 [all neighing, laughing] 280 00:13:59,506 --> 00:14:01,466 -Hey! -[gasps] Oops. 281 00:14:02,634 --> 00:14:03,552 That was kinda fun. 282 00:14:03,635 --> 00:14:04,970 Oh, phew! 283 00:14:05,053 --> 00:14:06,471 You should come, Arthur. 284 00:14:06,555 --> 00:14:09,975 Yeah. Unicorns love people. 285 00:14:10,058 --> 00:14:12,519 The more, the merrier. That's just basic math. 286 00:14:12,603 --> 00:14:13,896 Hmm, maybe. 287 00:14:13,979 --> 00:14:17,232 I'm gonna get some tennis practice in before it rains. 288 00:14:17,316 --> 00:14:19,860 Makes sense. You wouldn't want to get caught in the… 289 00:14:19,943 --> 00:14:22,321 -[all gasp] -Rain? 290 00:14:22,404 --> 00:14:24,448 [Ada] Uh-oh! Look at those clouds! 291 00:14:24,531 --> 00:14:28,410 Well, not all clouds are rain clouds. Right? 292 00:14:28,493 --> 00:14:31,538 -Right. But those are. -How do you know? 293 00:14:31,622 --> 00:14:34,416 Because those are nimbostratus clouds. 294 00:14:34,499 --> 00:14:36,043 Nimbo-what-us? 295 00:14:36,126 --> 00:14:40,714 Nimbostratus. They're low, gray, and spread flat across the sky. 296 00:14:40,797 --> 00:14:44,801 When they show up, it usually means there's going to be a lot of… 297 00:14:44,885 --> 00:14:46,428 -[rain pouring] -[meows] 298 00:14:46,511 --> 00:14:49,181 -[all gasp] -Rain! Quick, pack it up. 299 00:14:49,264 --> 00:14:50,682 [all grunting] 300 00:14:51,433 --> 00:14:52,601 Oh! 301 00:14:53,602 --> 00:14:57,064 [sighs] Looks like everything's still in good shape for the party. 302 00:14:57,147 --> 00:14:59,232 What party? We can't have a party in the rain. 303 00:14:59,316 --> 00:15:02,903 Why not? Little known fact about unicorns. 304 00:15:02,986 --> 00:15:05,364 They love the rain! 305 00:15:05,447 --> 00:15:06,448 Or at least I do. 306 00:15:06,531 --> 00:15:08,033 What's not to love? 307 00:15:08,116 --> 00:15:10,869 I mean, the moisture in the air forms clouds, 308 00:15:10,953 --> 00:15:14,414 which turns into rain, and that's so amazing. 309 00:15:14,498 --> 00:15:17,209 But our stuff'll get all wet. And so will we! 310 00:15:17,292 --> 00:15:22,464 Hmm, maybe there's a way to have our party in the rain without getting wet. 311 00:15:22,547 --> 00:15:23,924 We need a brainstorm. 312 00:15:24,007 --> 00:15:26,510 A rainstorm brainstorm! Woo-hoo! 313 00:15:26,593 --> 00:15:29,513 ♪ Brainstorm, brainstorm ♪ 314 00:15:29,596 --> 00:15:32,474 ♪ Throw in every thought you've had No idea is ever bad ♪ 315 00:15:32,557 --> 00:15:35,018 ♪ Brainstorm, brainstorm ♪ 316 00:15:35,102 --> 00:15:38,438 ♪ Gather up your friends Try to find the how, the what, the why ♪ 317 00:15:38,522 --> 00:15:40,816 ♪ Brainstorm, brainstorm! ♪ 318 00:15:40,899 --> 00:15:45,696 ♪ Let our imaginations Become great new creations ♪ 319 00:15:45,779 --> 00:15:49,449 ♪ When we brainstorm, brainstorm Brainstorm, brainstorm ♪ 320 00:15:49,533 --> 00:15:50,367 ♪ Hey! ♪ 321 00:15:50,450 --> 00:15:54,162 [gasps] What if we made a rain-away machine? 322 00:15:54,246 --> 00:15:56,790 -[crackling] -[triumphant music plays] 323 00:15:56,873 --> 00:15:57,958 [birds chirping] 324 00:15:58,583 --> 00:16:00,419 -Woo! -Nice! 325 00:16:00,502 --> 00:16:03,505 But building that might take a while 326 00:16:03,588 --> 00:16:06,425 and Intergalactic Unicorn Day will be over. 327 00:16:06,508 --> 00:16:10,053 -Then this would be for nothing. -So we need something else. 328 00:16:10,137 --> 00:16:12,806 We can make a tent out of umbrellas. 329 00:16:12,889 --> 00:16:16,309 But what about the spaces between the umbrellas? 330 00:16:16,393 --> 00:16:17,686 Definitely too holey. 331 00:16:17,769 --> 00:16:22,566 But we could make a big umbrella tent. 332 00:16:22,649 --> 00:16:25,902 Less holey, so the rain won't fall on top of us. 333 00:16:25,986 --> 00:16:28,864 But rain could blow in through the sides. 334 00:16:28,947 --> 00:16:30,198 -Yeah, gotcha! -True. 335 00:16:30,282 --> 00:16:31,116 [all groan] 336 00:16:32,075 --> 00:16:35,412 -[all sigh] -We need to build something to cover us. 337 00:16:35,495 --> 00:16:37,039 -Like a shed? -Yeah! 338 00:16:37,122 --> 00:16:39,124 That'll work! I'll start building now. 339 00:16:39,207 --> 00:16:40,500 Hold your unicorns, Rosie. 340 00:16:40,584 --> 00:16:45,297 We can't start building yet. We need to design it first. 341 00:16:45,380 --> 00:16:49,050 You know, think it through, make a plan, draw it out. 342 00:16:49,134 --> 00:16:52,596 You're right. I was super excited. Got way ahead of myself. 343 00:16:52,679 --> 00:16:55,724 -And that's what we love about you. -[giggles] 344 00:16:56,475 --> 00:16:59,936 Maybe a square shed. Big enough for a Unicorn Stampede. 345 00:17:00,020 --> 00:17:03,106 With a slanted roof. I love how they look! 346 00:17:03,190 --> 00:17:04,274 How's this? 347 00:17:04,357 --> 00:17:05,901 -Love it! -Looks great! 348 00:17:05,984 --> 00:17:08,570 So can I build it now? 349 00:17:08,653 --> 00:17:09,654 -Yeah! -Yup! 350 00:17:09,738 --> 00:17:10,572 Yeah! 351 00:17:10,655 --> 00:17:11,948 [all laugh] 352 00:17:12,616 --> 00:17:13,617 [giggling] 353 00:17:13,700 --> 00:17:15,285 [all gasp, sigh] 354 00:17:15,368 --> 00:17:17,120 After we get our rain gear. 355 00:17:17,204 --> 00:17:19,206 [upbeat music playing] 356 00:17:30,592 --> 00:17:32,594 [twisting, pounding] 357 00:17:36,932 --> 00:17:37,849 [Iggy] Amazing! 358 00:17:37,933 --> 00:17:39,392 Our rain shed is done! 359 00:17:39,476 --> 00:17:41,686 I love it! Let's test it. 360 00:17:41,770 --> 00:17:42,896 [all laugh] 361 00:17:45,106 --> 00:17:48,902 -We have a dance floor for the wet ground. -And a picnic blanket. 362 00:17:49,945 --> 00:17:54,241 -Looks like we can have a picnic. -Fab! We need to test the walls 363 00:17:54,324 --> 00:17:56,535 to see if they can take a… 364 00:17:56,618 --> 00:17:58,328 [all] Unicorn Stampede? 365 00:17:59,538 --> 00:18:04,668 [all neighing, laughing] 366 00:18:04,751 --> 00:18:07,170 -[rattling] -[cheering] 367 00:18:07,254 --> 00:18:09,589 -[Rosie] Whoa! -[Iggy] Uh… 368 00:18:09,673 --> 00:18:11,216 The walls are caving in. 369 00:18:11,299 --> 00:18:15,470 Quick! Out of the way! Prance, unicorns, prance! 370 00:18:15,554 --> 00:18:17,556 -[crashing] -Yowza! 371 00:18:18,181 --> 00:18:19,015 [Ada] Oh! 372 00:18:19,099 --> 00:18:20,559 -[Iggy] Yikes! -[Rosie] Boy. 373 00:18:20,642 --> 00:18:24,145 -Bad news, we need another shed. -Is there good news? 374 00:18:24,229 --> 00:18:25,605 Puddles! 375 00:18:25,689 --> 00:18:27,190 Woo! 376 00:18:27,274 --> 00:18:29,776 [all laughing] 377 00:18:29,860 --> 00:18:31,278 [gasps] 378 00:18:31,361 --> 00:18:33,989 Guys, I know what we need for our new shed! 379 00:18:34,489 --> 00:18:37,742 We should put beams up shaped like an "X," like that. 380 00:18:37,826 --> 00:18:40,996 They're called crossbeams. They'll support the walls! 381 00:18:41,079 --> 00:18:43,748 My Great Aunt Rose taught me when we built my dollhouse. 382 00:18:46,042 --> 00:18:47,043 [groans] 383 00:18:51,840 --> 00:18:53,175 [all cheer] Yes! 384 00:18:53,258 --> 00:18:56,386 Now complete with crossbeams and a stylish flat roof. 385 00:18:56,469 --> 00:18:58,138 I love the design. 386 00:18:58,221 --> 00:18:59,931 Me too. Let's test it. 387 00:19:01,057 --> 00:19:03,226 First, picnic. 388 00:19:03,310 --> 00:19:05,520 So far, so good. Roomy and dry. 389 00:19:05,604 --> 00:19:08,732 Next, the Unicorn Stampede dance. 390 00:19:08,815 --> 00:19:13,278 [all neighing, laughing] 391 00:19:13,361 --> 00:19:14,196 [Rosie] Yeah! 392 00:19:15,322 --> 00:19:16,823 [neighing continues] 393 00:19:18,283 --> 00:19:20,160 Come on. Yee-haw! 394 00:19:20,243 --> 00:19:22,162 The walls didn't cave in! 395 00:19:22,245 --> 00:19:23,830 -[creaking] -Huh? 396 00:19:24,831 --> 00:19:26,917 [muttering] Roof falling. 397 00:19:27,667 --> 00:19:29,044 -Can't move! -[Iggy gasps] 398 00:19:29,127 --> 00:19:29,961 Iggy! 399 00:19:30,045 --> 00:19:31,171 -[all gasp] -[crash] 400 00:19:32,714 --> 00:19:35,550 Aw, phooey! I really thought that was gonna work. 401 00:19:35,634 --> 00:19:39,304 -[sighs] I thought so too. -Let's dry off and think about this. 402 00:19:40,889 --> 00:19:44,768 [sighs] We made two sheds, but neither of them worked. 403 00:19:45,602 --> 00:19:50,148 And if we don't fix it, we're gonna miss Intergalactic Unicorn Day. 404 00:19:50,231 --> 00:19:51,066 [sighs] 405 00:19:51,858 --> 00:19:54,236 Hey, we're scientists, right? 406 00:19:54,319 --> 00:19:55,237 -Right. -Yeah. 407 00:19:55,320 --> 00:19:57,572 -And do scientists quit? -[both] No. 408 00:19:57,656 --> 00:19:59,783 'Cause we've got grit! 409 00:19:59,866 --> 00:20:01,660 Grit! Yeah! 410 00:20:01,743 --> 00:20:03,995 -I don't know if I do. -You do. 411 00:20:04,079 --> 00:20:08,041 Let's look at what went wrong so we can figure out how to make it right. 412 00:20:08,124 --> 00:20:11,544 Hey, now you're speaking my language. 413 00:20:11,628 --> 00:20:13,505 -Loading the lab. -[Rosie] Awesome! 414 00:20:13,588 --> 00:20:14,756 [cheering] 415 00:20:15,340 --> 00:20:18,134 [thrilling music plays] 416 00:20:31,648 --> 00:20:36,152 Okay, we recreated the sheds. Let's check them out. 417 00:20:36,236 --> 00:20:38,154 On my shed, the walls fell in. 418 00:20:38,238 --> 00:20:42,367 Right. And on my shed, the walls stayed up, but the roof collapsed. 419 00:20:42,450 --> 00:20:45,620 So why didn't Rosie's walls cave in? 420 00:20:45,704 --> 00:20:49,499 Maybe 'cause I used crossbeams. But why did the roof collapse? 421 00:20:49,582 --> 00:20:51,626 Rosie's roof was flat, 422 00:20:51,710 --> 00:20:57,340 so all the rain collected on top, then it got too heavy and collapsed. 423 00:20:57,966 --> 00:21:00,969 The slanted roof was more than just a cool design, Iggy. 424 00:21:01,052 --> 00:21:03,763 It let the water roll off it. [gasps] 425 00:21:03,847 --> 00:21:06,224 I think I just connected the polka dots. 426 00:21:06,307 --> 00:21:09,602 Both sheds had stuff that worked and stuff that didn't, 427 00:21:09,686 --> 00:21:13,690 so what if we build a shed using the walls from Rosie's to make it strong, 428 00:21:13,773 --> 00:21:16,192 and the roof from Iggy's, so the water runs off? 429 00:21:16,276 --> 00:21:18,361 Oh! I like that! 430 00:21:18,445 --> 00:21:22,407 Me too. Let's hurry so we can still enjoy… 431 00:21:22,490 --> 00:21:24,451 [all] Intergalactic Unicorn Day! 432 00:21:24,534 --> 00:21:25,660 -Yeah! -Let's do it. 433 00:21:25,744 --> 00:21:26,786 [all laugh] 434 00:21:26,870 --> 00:21:29,581 [upbeat music playing] 435 00:21:31,583 --> 00:21:32,834 [Ada] Awesome possum. 436 00:21:32,917 --> 00:21:35,295 -Woo-hoo! Yes! -Let's test it out. 437 00:21:37,714 --> 00:21:39,674 It's perfect for a picnic. 438 00:21:39,758 --> 00:21:43,470 And now, the moment of truth. 439 00:21:43,553 --> 00:21:45,513 Unicorn Stampede! 440 00:21:45,597 --> 00:21:47,474 [all neighing, laughing] 441 00:21:49,934 --> 00:21:53,605 [neighing, laughing continue] 442 00:21:53,688 --> 00:21:55,774 Hey, the walls aren't falling over. 443 00:21:55,857 --> 00:21:58,068 -[Rosie] The roof is staying put! -[Iggy] Wow! 444 00:21:58,151 --> 00:22:00,070 Nice! Let's finish setting up. 445 00:22:01,363 --> 00:22:03,239 [gasps] Oh, no, Rosie. 446 00:22:03,323 --> 00:22:05,283 The rain smudged your painting. 447 00:22:05,950 --> 00:22:11,122 Oh! It looks even better. Unicorns love when colors mix together. 448 00:22:11,206 --> 00:22:12,332 It's more magical. 449 00:22:12,415 --> 00:22:14,793 Hey, cool shed. 450 00:22:14,876 --> 00:22:17,128 Uh, wanna come in, Arthur? 451 00:22:17,212 --> 00:22:19,964 -Sure. -You need a party hat. 452 00:22:21,049 --> 00:22:23,259 [laughs] One for you too, Mooshu! 453 00:22:23,343 --> 00:22:24,385 [meows] 454 00:22:24,469 --> 00:22:28,765 Ada, could you please pass the rainbow sparkles? 455 00:22:28,848 --> 00:22:31,017 [all laugh] 456 00:22:31,101 --> 00:22:35,480 Mm, these rainbow sparkles are delicious. Must be in season. 457 00:22:35,563 --> 00:22:38,024 [all laugh] 458 00:22:38,108 --> 00:22:41,903 I could use some, um, sparkling rainbow juice! 459 00:22:44,823 --> 00:22:48,243 Ah! Sparkling rainbow juice is so refreshing. 460 00:22:48,326 --> 00:22:50,078 Huh. Mooshu wants some too. 461 00:22:50,161 --> 00:22:51,913 [all laugh] 462 00:22:51,996 --> 00:22:54,040 Now, I think it's time for the… 463 00:22:54,124 --> 00:22:56,751 [all] Unicorn Stampede! 464 00:22:56,835 --> 00:22:58,837 [all neighing, laughing] 465 00:23:01,131 --> 00:23:03,133 [upbeat music fades out] 466 00:23:05,260 --> 00:23:06,344 Hmm. [gasps] 467 00:23:06,428 --> 00:23:10,640 I have an idea. Let's meet another scientist. Come on! 468 00:23:14,978 --> 00:23:18,189 Hi, I'm Eletrice Harris and I'm an architect. 469 00:23:18,273 --> 00:23:21,276 Today, I'm gonna show you one of the houses I designed. 470 00:23:21,359 --> 00:23:22,277 [Ada] Let's go! 471 00:23:22,360 --> 00:23:27,073 Any building or structure that you walk into, an architect has designed it. 472 00:23:27,157 --> 00:23:31,786 It could be a hospital, a school, a library, your home. 473 00:23:31,870 --> 00:23:36,624 So, for every structure that we design, we do a set of plans. 474 00:23:36,708 --> 00:23:39,210 And these are called blueprints. 475 00:23:39,294 --> 00:23:43,256 And so the blueprints, it shows the walls, it shows the windows, 476 00:23:43,339 --> 00:23:47,469 it shows the doors. We even put in where the toilet should be. 477 00:23:47,552 --> 00:23:49,053 -[Ada] Hmm. -[toilet flushes] 478 00:23:49,137 --> 00:23:53,600 Just like we have skeletons in our body, buildings have the same thing. 479 00:23:53,683 --> 00:23:55,768 We call this our skeletal frame. 480 00:23:55,852 --> 00:23:57,187 [Ada] Whoa! 481 00:23:57,270 --> 00:24:00,690 One of the most important things when building a structure or house 482 00:24:00,773 --> 00:24:03,318 is to make sure it will withstand the elements. 483 00:24:03,401 --> 00:24:06,112 The rain, the wind, storms. 484 00:24:06,196 --> 00:24:08,281 So the two structural components 485 00:24:08,364 --> 00:24:12,744 that are important to making a structure sound 486 00:24:12,827 --> 00:24:16,331 are the beams, which are horizontal, 487 00:24:16,414 --> 00:24:18,208 and columns that are vertical. 488 00:24:19,042 --> 00:24:21,586 This is what a doorway looks like in plans. 489 00:24:21,669 --> 00:24:24,464 This is what it looks like when we frame it out. 490 00:24:24,547 --> 00:24:29,093 So this would be our beam and these are our posts for the doorway. 491 00:24:30,637 --> 00:24:33,515 So, here's a finished product of a doorway. 492 00:24:33,598 --> 00:24:37,894 And if you could imagine that that beam is across the top 493 00:24:37,977 --> 00:24:40,021 and the posts are along the sides. 494 00:24:42,440 --> 00:24:43,733 Fun fact! 495 00:24:43,816 --> 00:24:48,238 Architecture was a part of the Olympics. To compete, you had to design 496 00:24:48,321 --> 00:24:50,281 a sports-related structure. 497 00:24:51,574 --> 00:24:52,992 [horns play] 498 00:24:53,743 --> 00:24:56,496 Wasn't that cool? Science is the best! 499 00:24:58,915 --> 00:25:02,669 [closing theme music playing]