Castle Makeover Bitz & Bob


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Castle Makeover

Engineering challenges for children. We're exploring how engineers lift things, by testing a homemade counterbalance lift for chocolate-chip cookies!


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Transcript


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-Hello, I'm Bitz.

-And I'm Bob.

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We love make-and-do.

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

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# We can work it out

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# And we'll invent a way

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# Through ideas and play

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# We'll save the day. #

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-Bitz and Bob.

-Bitz and Bob.

-Bitz and Bob!

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Do you remember how we gave your castle a makeover, Bob?

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Er, no.

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We had to lift the toy room to the top of the tower.

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-ALL:

-Uh-oh.

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Bevel is strong. Maybe he can do it.

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-Oh, no, he can't.

-BEVEL GRUNTS

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Some things are too heavy to just pick up.

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-You can hurt yourself if you try.

-Oh, it's too heavy.

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Engineering helps by building machines to save the day.

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Bob, you'll love this one.

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Whoa, lifting a car! Cool!

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We needed a machine to lift the toy room, didn't we, Bitz?

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You're right, Bob. Let's see how.

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It's time for a Bitz brain blitz.

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We need a really big lifter with

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a rope attached to the toy room.

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The toy room is heavy,

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so we'll need something a lot heavier than a few books,

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and if the weight is more than the weight of the toy room,

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it should go up.

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-Now it's your turn to try.

-Woohoo!

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Cookies! Oh, yeah, they can make a cookie-vator.

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To make one cookie go smoothly all the way to the top, they'll need to

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put more cookies on the other side to make that side go down.

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Whoops!

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Let's watch that again!

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Whoa, that's way too many.

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It went too fast.

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Oh, well, have another go.

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That's it! Yay!

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Two cookies or three cookies are heavier than one,

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and the lighter side has gone up.

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-Yay!

-Look, it's working!

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That's just like Bevel, Zip and Pop being heavier

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than the tower-top toy room, so they go down

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and the tower-top toy room lifts up.

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Next, we're going to make a see-saw.

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Take a strip of card, fold it into three

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and use sticky tape to make a triangle.

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Try balancing a ruler on the point of your triangle.

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It's tricky!

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You can play a game

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if you stick bottle-top cups to the end of your see-saw.

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Then find out what makes the green ball go the highest.

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Drop objects on the same spot from the same height each time.

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What makes the green ball jump the highest?

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THEY LAUGH

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That one's the heaviest one!

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Oh, yeah, let's see it again!

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Cool!

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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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We're exploring how engineers lift things, by testing a homemade counterbalance lift for chocolate-chip cookies! The children also make a seesaw with a ruler, bottle tops and cardboard to find out what's heaviest - toy ducks or juggling balls?