S2E1

S2E1

water’s escape act

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Kid Investigator STEAM Expert
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Download this episode's transcript. [tires screeching coming to a halt, dinging sound, car doors slamming] AUBREY: [panting, out of breath] A.J., wait up! Andre and I just finished research for today’s show! Right, Andre?... Andre? ANDRE: [panting] Coming! I was just organizing all of the souvenirs from our trip. Fresh spring water from Colorado, a horse shoe from Oklahoma, this cactus—OUCH!—from Arizona… A.J.: Trip..? What trip are you talking about? Aubrey: Our 50-state research road trip, silly! When we were on the phone last week, you said that we would be solving a mystery… A mystery about changing states! So, Andre and I organized a cross-country trek! Andre: That’s right! We changed states 50 TIMES, so we’re really prepared for today. A.J.: Oh no…. Aubrey: Don’t worry, A.J., we knew you couldn’t come because you were too busy, so we took lots of notes for you. Let me just find them (trails off) ***shuffles papers*** Andre: Yeah, weren’t you trying to teach your cat to bark?! How’s that going anyways? A.J.: Pretty well, actually. Newton’s upstairs in the studio—I’ll show you once we get inside. Aubrey: A-Ha! Here they are! A.J.: Yeah, about that… When I said today’s mystery was going to be about changing states, I didn’t mean traveling between the 50 states in America. What I meant was transforming from one state to another. Andre: Oh, oh! We did that too! When we were in Oregon, we meditated right before we crossed into Idaho. I was toooootally transformed. ***yoga type music*** Aubrey: Oh, yeah! Toooooootally transformed. A.J.: That’s not quite what I meant either.. Today’s show is actually about changing from one state of matter to another. ***crickets**** A.J.: You know, like when water transforms from its gaseous state to its liquid state? (pause) Aubrey: Uhh *laughs nervously* Andre: *takes deep breath* hmmmm ***scratching head*** A.J.: Ok, why don’t you both come upstairs to the studio with me. Our Kid Investigator will be able to clear some things up for you. ****Intro music, same as last season***** A.J.: You’re listening to Season 2 of STEAM Daydream with National Children’s Museum, where we solve the world’s many STEAM mysteries, one episode at a time using our detective skills: we’ll observe, we’ll ask questions, we’ll investigate, we’ll research, and then we’ll connect the dots! I’m A.J., and— ***bark*** A.J.: (aside) Newton! Not now! I’m in the middle of recording. (to audience) Sorry, everyone, that’s my cat, Newton. And yes, I did teach him to bark…unfortunately… ***cat meow/purr*** A.J.: As I was saying, here to help solve today’s mystery is Charles, our 8-year old Kid Investigator from Springfield, Virginia! Take it away, Charles! Charles: Thanks, A.J.! Andre: (whispers) Hey, I think there was a little miscommunication, (laughs nervously). What exactly are we investigating? Charles: No problem! Let me take you back to last week, when this mystery began. ***dream music*** Charles: It was Tuesday, my favorite day of the week. Aubrey: Why is Tuesday your favorite day of the week? Charles: Because every Tuesday we have tacos…for Taco Tuesday! Andre: I LOVE Taco Tuesday! Are you a hard shell or soft shell kind of taco eater? Personally, I find soft shells to be — Aubrey: Andre! Shush! Today’s mystery is not which taco shell is superior! I’m listening, Charles… ***dream sequence*** Charles: So I sat down at the table for dinner and started building my taco as usual. The tortilla, then the meat and pickles and of course anchovies, topped with some mild salsa—or what I thought was mild salsa… ***crunch*** until I took my first bite and my mouth was on FIRE. My tongue was sweating, my palms were sweating, even my toes were sweating. I ran to the fridge and poured myself a glass of water with extra ice and took a few sips to cool off. . ***gulp sounds*** Charles: Finally, once I could feel my tongue again, I sat back down at the table with my glass of water and built myself another taco, this time without salsa. By the time I had finished eating, I observed something very strange. Andre: What was it!!? Aubrey: Yeah, what happened?! Charles: Here, let me show you. ***banging around*** ***clink sound of glass being set down on table*** Charles: I have a clear drinking glass here. I’m going to fill it up with ice ***ice clink*** and water. ***pouring sound*** Now, watch! Aubrey: What are we looking for exactly? *Tick, tock, tick, tock,* Charles: Just wait. Charles: You’ll see. ***Ticking continues*** Andre: Can I blink yet? Charles: (annoyed) Yes, Andre, you can blink. Aubrey: I don’t see anything. Charles: Try touching the glass. Do you notice anything?. Aubrey: Well it’s cold, and… . It’s…wet!? Why is it wet on the outside of the glass? Andre: The outside? The water is on the inside, silly. Aubrey: But the glass is wet! Feel it! And there’s a tiny puddle underneath it. Andre: ***slippery sound*** What on Planet Mars… Charles: This is exactly what happened with my glass of water on Tuesday! As I finished my taco, I realized my water glass was soaking wet. Aubrey: Well, it must just be this glass. Do you have any more glasses? Charles: Sure, here’s one for you ***glass sitting down*** and one for you. ***glass sitting down*** Andre: Can I have ice water, too? But hold the ice. Charles: Um… so just water? Sure, here’s some room temperature water for you ***pouring sound*** Andre: Thank you. Charles: and some for you, Aubrey… Aubrey: WAIT! Can I actually have hot chocolate instead, please? Charles: But Aubrey, it’s 90 degrees outside! Aubrey: It’s never too hot for hot chocolate! Charles: I’m sorry, but I don’t have any hot chocolate. Aubrey: Oh, that’s ok. I brought my own! ***pouring sound*** Yummmmm! Charles: Do you always carry a thermos of hot chocolate around? Aubrey: Duh, you don’t? Charles: Actually, no. No I don’t. Anyway, let’s let these glasses sit for a few minutes to see if the same thing happens. ***Tick tock tick tock*** ****slurping sound from Aubrey drinking her cocoa**** Charles: Aubrey!! Stop!! Aubrey: What? I’m just taking a sip! Charles: That’s part of our experiment! How are we supposed to solve a mystery if you drink our experiment?! Aubrey: (whiny) Fine, I promise I won’t drink our science experiment. ***Tick tock tick tock*** Charles: Ok, it’s been a few minutes. Let’s take a look at the two new glasses. Notice anything weird? Andre: (breathes in quickly, wincing in pain after touching the hot mug) Ah, ok this one with the hot chocolate is still pretty hot. The one in the middle with just the water isn’t hot, and it isn’t cold, it just feels normal.…and this one with the ice water is definitely still wet! There’s got to be a teeny tiny hole or crack somewhere on the glass that we can’t see. Aubrey: Of course! Let’s wipe it off to see if it leaks again. ***windshield wiping noise*** Aubrey: Hm, nothing. Andre: If the water on the outside of the glass isn’t leaking from inside the glass, I wonder where it’s coming from… Aubrey: Yeah, and why isn’t water clinging to the outside of the other two glasses? Charles: See, THAT’S the mystery. ***sound cue?*** Charles: Now, let’s start with what we know. Aubrey: We know that inside the glass is water. Charles: Yep! Andre, can you tell us what water is? Andre: (confidently) Psht, of course! Water is… (trails off, hesitantly). Water is… (Pause) Water..? (Pause) Is this a trick question? Aubrey: I have an idea! Let’s phone our friends at National Children’s Museum to see if they know anything about water. Caitlin is there, let me just give her a call ***dials phone number*** ***ringing, picks up*** Caitlin (upbeat and happy): Hello. Aubrey: Knock, knock. Caitlin: Um.. you do know this is a phone and not a door… right? Aubrey (repeating): Knock, knock. Caitlin: (To self) Geez.. (Over the phone) Who’s there? Aubrey: Water Caitlin: Water who? Aubrey: Water you doing over there at the Museum? Caitlin: (rolls eyes, and laughs) Ha, nice one! But for real, who is this? Aubrey: It’s Aubrey! Caitlin: Oh! Hey Aubrey. What can I do for ya? Aubrey: Well, I’m with Andre and our friend Charles who’s helping us solve today’s STEAM mystery. We were wondering if you could survey the crowd at the Museum to see if they know anything about water. It seems to be escaping us…and the glass it’s in, come to think of it, but I’ll tell you more about that later. Caitlin: Sure, let me ask around! [insert sound bites of kids describing water] [Insert Aubrey and Andre reflecting on what the kids said in the sound bites] Aubrey: Thanks Caitlin and thank you to the Dreamers at National Children’s Museum for those interesting water facts. Verrrrry helpful. Andre: Very helpful, indeed! Speaking of helpful, while you were on the phone with Caitlin I found an entry for water in my handy dandy pocket encyclopedia. ***pages flipping*** Andre: Look! Aubrey: It says here, “Water is made up of molecules, which are made up of units called atoms. Water can be found in three physical states: liquid, solid, or gas.” Andre: Did you understand any of that? Charles: I bet our friend Tom DiLiberto might be able to explain it. He’s a meteorologist and climate scientist at the National Oceanic and Atmospheric Administration. Let’s see if he can clue us in on what’s going on with this water’s escape act. ***sound cue?*** [1:30 minutes: expert cameo includes explanation of water makeup (molecules), the movement of molecules, and the three physical states of matter] Aubrey: Ok, I get it now. Water is made up of tiny, individual water molecules. The molecules are always in motion—the warmer they are the faster they move and the colder they are the slower they move. Charles: Exactly, and when the molecules move slowly, they gather close to each other. But when they’re moving fast, they’re spread really far apart. Andre: Makes sense, but what does that have to do with our mystery? Aubrey: I have a feeling Tom might know. Tom? [1:30 minutes: expert cameo gives an overview of how water changes states (when molecules move slow, it’s solid ice, when they warm up and move faster, it’s liquid water, and when they warm up even more they turn into water vapor or gas. Then defines condensation and explains conditions necessary for condensation. Provides real life examples (clouds in the sky, glasses fogging up, etc. NOT drinking glass example)] Charles: That explains it! Aubrey and Andre, ready to solve this mystery? Aubrey: Wait, wait, wait, ***banging around*** ok, now I’m ready. Charles: Aubrey, is that hat really necessary? Aubrey: Number 1, this isn’t just a hat—this is my thinking cap! And number 2, yes it’s absolutely necessary.. I couldn’t possibly solve a mystery without my thinking cap on. That’s absurd! Charles: Whatever you say… You ready, Andre? Andre: Oh, yeah. I was BORN ready! Charles: Great, now that we’re all ready, let’s connect the dots! ***sound cue?*** Andre: ***clears throat*** So the water in this glass—the one that’s wet and surrounded by a puddle—is the coolest. Aubrey: Yes, the most awesome water I’ve ever met! Andre: Not like that Aubrey, I mean cool as in the temperature! Aubrey: Ohhh, gotcha, I’m with you now! Yes, very cold. Brrrr. Andre: It’s pretty cold because it has ice cubes in it, which are water molecules that are so cold and are moving so slowly that they gather together to form a solid chunk of water. Aubrey: That’s right! Meanwhile, the temperature of the air in the studio is much warmer than the temperature of the ice cold water. Newton likes it to be nice ‘n toasty in here. Isn’t that right, Newton? ***woof*** Aubrey: The air in this room, like any room, contains water molecules, too. We just can’t see them because they are in the gaseous state of water vapor. They’re moving so fast and spread so far apart that we can’t see them. Andre: Untiiiiiiiiil, they collide with the surface of the cold glass! Aubrey: Exactly! When the warm air of the room, which contains the invisible water vapor, bumps into the cold glass, the water vapor molecules start to get colder too. As they cool down, the molecules start to move slowerrrrr and slowerrrrrr. Eventually, the water molecules get so cold and move so slow that they transform into liquid water. This transformation from a gas to a liquid is called ***imagination sound*** condensation. Charles: (excited) Which means the water on the outside of the glass is actually coming from the air inside this room! ***ding ding ding, carnival winning sound*** Andre: And the reason the glasses with the room temperature water and the hot chocolate don’t have condensation on the outside of them. Is because their surfaces aren’t cold enough to slow down the water vapor molecules. Aubrey: Bingo!!!! Charles: We did it! We solved the mystery! ***bark*** A.J.: Way to go, team! Our very first STEAM mystery SOLVED! A.J.: Want to investigate the three states of water further? Come visit us at National Children’s Museum to check out our Weather Worlds green screen experience, where you can use superpowers to affect the weather. As you change the weather, notice how many different states of water there are. Which part of the experience involves condensation? Think you know? Email [email protected] with the correct answer! A.J.: You can also check out the Museum’s Head in the Clouds virtual field trip video to discover different types of clouds that all have one thing in common—they’re products of condensation! A.J.: That’s all for today’s episode, Dreamers! Join us next time to get to the bottom of a truly shocking STEAM mystery. A.J.: In the meantime, if you enjoyed today’s show, please leave a review to help other curious kids discover our podcast. Be sure to subscribe wherever you’re listening so you don’t miss our next adventure. You can find more STEAM programs and resources on our website at www.nationalchildrensmuseum.org. A.J.: Season 2 of STEAM Daydream with National Children’s Museum is generously sponsored by GEICO. It’s narrated by me, A.J. Calbert, produced by Paige Childs, with sound design and engineering by Maddie Zampanti of Conceptual Podcasting.