X Marks the Spot Bitz & Bob


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X Marks the Spot

Engineering challenges for children. We're using rubber bands to test how the energy stored can launch paper balls!


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Transcript


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-Hello, I'm Bitz.

-And I'm Bob.

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BOTH: We love making do.

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And with a little bit of know-how...

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BOTH: You can do it too!

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# Let's go!

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# We can work it out

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# I can work it out

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# We'll invent a way

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# Through ideas and play

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# Bitz and Bob will save the day

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# Bitz and Bob, Bitz and Bob, Bitz and Bob! #

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Bob, do you remember how we used engineering

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to get our treasure back from Pirate Bevelbeard?

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No, I've forgotten.

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We needed to find a way to get to the pirate ship quickly.

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One, two, three, padoing!

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Aww!

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Not far enough. We need more energy.

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When things are stretchy, they store energy if they're pulled or pressed,

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like this trampoline.

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And when the energy's released, the gymnast can go really high.

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We needed to use energy stored in our padoinga

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to get to the pirate ship, didn't we, Bitz?

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That's right! Let's have a look.

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Time for a Bitz Brain Blitz.

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When you stretch something springy,

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it stores energy until you let it go.

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Boing!

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The more you stretch it, the more energy it stores up.

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And more stretch gives a bigger boing!

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And if it's stretched far enough, there'll be enough energy

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to send something heavy, like me and Bob,

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all the way to the ship.

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-Now it's your turn to try.

-Woohoo!

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Look, they've got elastic bands and hair bands, and they're stretchy,

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Just like our padoinga was, Bob.

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They're wearing safety glasses to protect their eyes.

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If they stretch the band back,

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they can store up energy to fire the paper balls.

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Point the band away from you!

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Oh, well! Have another go!

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Padoing safely!

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Ready, set, go!

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Ooh, yeah, let's see it again!

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That's so springy, like our island padoinga.

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That's it.

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BOTH: One, two, three, padoing!

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Woohoo!

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LAUGHTER

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Huh?

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-We did it!

-Woohoo!

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Now we're going to make rubber band launchers

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to padoing paper balls different distances.

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You'll need some cardboard tubes of different sizes.

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The smaller one fits inside the big one.

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You also need two stretchy elastic bands and a pencil.

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Ask a grown-up to help you.

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Now let's play!

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Aim safely! Away from you and your friends.

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They're trying to get the paper balls into the bowls.

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It's tricky!

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You might need a few goes to get it right.

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They're using tape to mark how far they're pulling back their padoinga.

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Oh, too short!

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They'll have to pull it back further to create more energy.

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The paper balls go further when you pull it back more.

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Padoing!

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Woo! They did it!

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That's it! Steam pink style!

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Keep engineering and inventing a way to save the day!

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BOTH: You can do it too!

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Padoing! We're turning cardboard tubes, elastic bands and pencils into paper ball launchers. The more energy stored, the further the paper will launch.