Pen and Paper Nina and the Neurons


Pen and Paper

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# If you've got a question and you don't know where to go

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# Ask Nina for some help Cos she's got a science show

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# She makes sense of her senses While helping all her fans

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# By doing her experiments With potions and with bangs

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-# Touch your tongue

-Tongue

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-# Fingers

-Fingers

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-# Eyes

-Eyes

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-# Ears!

-Ears!

-Nose!

-Nose!

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# Nina and the Neurons find out what you need to know

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# Nina and the Neurons find out what you need to know

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# Luke he helps us with our eyes And Felix with our touch

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# Ollie sniffs our smells and scents And Belle, she hears so much

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# Bud is Ollie's brother He helps us with our taste

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# They're Nina's little Neurons And they're coming to your place

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-# Touch your tongue

-Tongue

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-# Fingers

-Fingers

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-# Eyes!

-Eyes!

-Ears!

-Ears!

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-# Nose!

-Nose!

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# Nina and the Neurons find out what you need to know

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# Nina and the Neurons find out what you need to know! #

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Hello! I've collected some seeds from my sweet peas,

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and put them in this container, ready for planting.

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I've written a label, to remind me what they are.

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BEEPING

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I hear a beep, I see a flash. I wonder what they're going to ask!

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Hi, Nina!

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Hi, guys!

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We've got a question for you. How does a pen work?

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That's a great question - how does a pen work?

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A pen is a useful invention. You can write all sorts of things with it.

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Come down to my workshop and we'll check it out.

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See you soon, Nina, bye!

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Bye!

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I'm going to need some help to answer this, and I know who to ask.

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OK, Neurons, time to get to work.

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Neurons at the ready, Nina.

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Today's question is - how does a pen work?

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Which Neuron will help us find the answer?

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ALL: Me, me, me!

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Will it be fabulous Felix?

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I can help so very much If you need the sense of touch.

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Beautiful Belle?

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I send messages to brain from ear If there's sound I'll help you hear.

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Will it be lovely Luke?

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For looking and seeing day or night

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I'll help you with your sense of sight.

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Will it be awesome Ollie?

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If it's pongy or whiffy but you can't tell

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My messages help your sense of smell.

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Or will it be baby Bud?

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Sour, salty, bitter or sweet

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I'm your taste buddy whenever you eat.

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-It's Luke.

-Yes!

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ALL: Go Luke, go Luke, go Luke,

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go Luke, go Luke, go Luke,

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go Luke!

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Cool, Nina. I'll be looking out to help you!

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Today's question is - how does a pen work?

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We need to see what a pen is writing, so Luke is helping.

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But, stand by, Neurons, I may need help.

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I need to get the workshop ready before the inventors arrive!

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Ross, Toni and Olivia want to find out all about pens -

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chunky pens, dinky pens, multi-coloured inky pens.

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So, for one day only, Ross, Toni and Olivia become The Inventors!

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Hi, guys!

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Hi, Nina!

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Oh, welcome to my workshop, come on in!

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It's lovely to see you all.

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So, your question was - how does a pen work?

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Why do you want to know that?

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Because I know pens use ink, but I don't see how the ink comes out.

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Well, I've got lots of pens here,

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so maybe we should try them out and see what happens. OK?

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I like their drawings.

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The ink is really flowing.

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So let's go with the flow!

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Nice work, Inventors! We know that ink comes out of a pen,

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and that it lets us write or draw with it.

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But how does it do it? We need to get inside and have a closer look.

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Taking things apart can be dangerous,

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so don't do this yourself.

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That's right, Nina's been specially trained to do this.

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Taking things apart can get very messy!

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OK. Now, I'm going to take the pen out of its hard plastic cover...

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And inside is a bendy tube.

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And the tube is filled with ink.

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And you write at this end of the tube, here.

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What's this little metal thing called?

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Is it called the nib?

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That's right!

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Nib? What a funny little word! Hm! Nib!

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Let's do an experiment.

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I wonder what will happen if I cut the nib off the bottom of the tube.

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There we go.

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Now, let's see how it writes.

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Here comes the messy bit...

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OK.

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-Oh!

-It's a little bit gloopy and globby.

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It's very messy, and it scratches the paper.

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Yeah. I can't really draw properly,

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because the pen keeps sticking.

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I think we can safely say that a pen doesn't really work

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without the nib at the end.

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So the nib must be very important.

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Here it is, here.

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Let's have a really close look using the Nina-cam.

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What can you see?

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There's a tiny ball.

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That's right. And there's a piece of metal holding the tiny ball.

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But what does the tiny ball do?

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Well...

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Here are lots of metal balls.

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They're just like the ball in the pen, but a bit bigger.

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They're called ball bearings.

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So look at this.

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Whoo-hoo!

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If I put this little book on here,

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and give it a little push...

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See how easily it moves over the ball bearings,

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all the way to the other side?

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It's very smooth!

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Yes. Ball bearings are used to help things move smoothly

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against each other.

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So, they help the book move over the tray smoothly

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in the same way as they help the pen move over the paper smoothly.

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That reminds me of something else that uses ball bearings,

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only it's much bigger and very exciting.

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-Shall we go and see another invention in action?

-Yeah!

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OK, let's go!

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Off they go. I really enjoy seeing the big inventions.

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What other big thing uses ball bearings?

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Hey! Do you think we're going to see a big, enormous pen?

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I really don't know, Bud. Whatever it is, I'm sure it'll be exciting.

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Looks like we're here!

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OK, guys, I want you to look at...this!

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Wow!

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This is a wind farm, turning wind into electricity.

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The more they spin, the more electricity they make.

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-Wow! They're cool!

-They're definitely something to see!

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Now, have a look at this.

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-It spins!

-Yeah, and it spins really smoothly.

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-Do you see those balls?

-Yeah.

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Those are ball bearings, like the ones we saw earlier,

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and like the one at the end of a pen, only much bigger.

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And these ball bearings let these two metal rings

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spin really smoothly and easily.

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And there's something very similar to this in a wind turbine.

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So ball bearings help wind turbines to spin round!

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Exactly! So the same technology that helps the wind turbine spin round,

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helps a pen move smoothly across paper.

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OK, inventors, I think it's time to get creative.

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-So let's go back to the workshop!

-Yeah!

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Pens are so useful!

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Everyone uses them, but who actually invented the pen?

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Ooh! I know that.

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The ballpoint pen that we've been looking at today

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was invented by a man named Laszlo Biro.

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He was working for a newspaper,

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and got fed up with his old-fashioned pen.

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He didn't like all the smudges it made,

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and sometimes it even scratched and tore his paper. How annoying!

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One day, he had an idea,

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and he invented the ballpoint pen.

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Your question was - how does a pen work?

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We've discovered that a ballpoint pen

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has a tube of ink with a nib at the end.

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And the nib is a piece of metal

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that holds a ball between the ink and the paper.

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And the ball helps the pen move smoothly across the paper.

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Let's get inventing to find out more.

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So today, we are going to make a chunky ballpoint pen.

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The first thing we need to do is take our deodorant bottle

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and make sure it's empty and clean.

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Yes, it's important that you clean it out very well.

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And you'll also need an adult to help you pop the ball out.

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We've already done that.

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So our bottle is ready,

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now we just need to fill it with some of the poster paint.

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Take the balls off the top of your bottle...

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I'll go first. Now, just a little bit of paint...

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Just a little bit in the bottom's all we need. On you go.

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Go for it, Ross. That's it, bring it towards you.

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Very good.

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That's plenty, well done.

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And Olivia...

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Now, guys, we can put the ball back on.

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Now, gently, just give it a little squeeze...

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Excellent!

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Great! And now it's time to write with it, Nina!

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So, this is the super-fun part. Give it a gentle shake...

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And turn it upside down...

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And let's draw!

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So the ball rolls against the paint,

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and then carries it evenly onto the paper.

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This is great fun.

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Well done, Inventors, you've made your very own chunky ballpoint pen!

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Your question was - how does a pen work? I think we've answered it!

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We've found out that inside most pens

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is a tube of ink with a nib at the end.

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And the nib holds a ball.

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And the ball helps the pen move smoothly over the paper.

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It also takes the ink from the tube and puts it evenly on the paper,

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without any blobs or gooey bits.

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And that is how this pen works.

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Thank you for your great question.

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Thanks, Nina, bye!

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Bye!

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To make today's invention,

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go to the Nina section on the CBeebies website.

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That'll give you all the instructions you need.

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Or, you may have other ideas of what you want to invent.

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-Bikes!

-Trains!

-Binoculars!

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-Televisions!

-Speakers!

-And cars!

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# We all love inventing

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# Whoa-oh-oh-oh-oh Go inventing!

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# We all love inventing

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# Why don't you try it too?

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# Inventions make life easier

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# And help us get things done

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# Go inventing!

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# I always like to take a look

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# At how they work and run

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# Go inventing!

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# We all love inventing

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# Whoa-oh-oh-oh-oh Go inventing!

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# We all love inventing Why don't you try it too? #

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Ah, it's been such a great day, man.

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I like to see all the ink moving smoothly across the paper.

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It's been a marvellous day.

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Nina got messy taking the pen apart,

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but she didn't forget her rubber gloves.

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Oh, I've had a brilliant day!

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I liked the sound of all those ball bearings moving together.

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I've had a fabby day,

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especially when they all went out and had fun.

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I really enjoyed myself today.

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The chunky ballpoint pen invention is really simple, but very clever.

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Our day's been bursting with inventions. I hope you enjoyed it.

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-See you again soon! Bye!

-Bye!

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E-mail [email protected]

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