So it needs to be cut down.'. There it is. How else could you cook food without fire? Do you want to find out how glass is made? 'For the glass to get hard, it needs to cool down very slowly.'. So, let's pretend that this oil is our liquid glass, which is made up of our different raw materials. CURIOUS CAT:

It's gonna come up and break it. With the help of Curious Cat, two children visit a brick factory to find out they bricks are made. air inside the balloon, making the air and balloon rise up! temperature got up to 120°F (48°C)! 'We saw glass being made out of sand. Well done. Pupils could investigate how different shapes are made out of glass. Because it's so clear. An educational video for kids. CURIOUS CAT: And our soda ash here, and limestone. Do you want to have a look? You can stop in here.

Locked.

the pressure is too much, the water erupts like a volcano! These people are using the heat from lava to cook Curious Cat, an animated character, helps two children find out more about how wool is made. Curious Cat, an animated cat, asks two children if they’d like to find out how biscuit tins are made. Curious Cat, an animated character, helps two children find out more about how glass is made. Check out these geysers. CURIOUS CAT: SUSAN: Like, watch, watch here. This clip could be used as a stimulus to discuss how different materials are made. And then it all melts. 6:10 Why is the sky blue? What Do you want to have a look? CURIOUS CAT: air up and makes the paper spin! ', BOY: CURIOUS CAT: So at this stage, it's about half as hot as it was and it's still quite soft. And then that piece of glass goes away. Two children find out how TV programmes are made and how they reach your TV at home. 'Then it's poured onto a bath of liquid metal, but they don't mix. Hot air balloons work the same way! With the help of Curious Cat, two children visit a crayon factory to find out how they are made. Eleven. What an exciting journey you've had. It looks like see-through paper. And then it is stored until it is needed.'. This video is having trouble loading. To make objects like vases, craftsmen blow into a glob of liquid glass with the help of a long tube. SUSAN:

'A bit like the sand you might find on a beach. Up there. This special sand comes from all over the world.'. That cutting bridge that's going across there, it makes a line-- a little line in the glass across. SUSAN: 'Once the glass is cut, it travels along to a machine that uses sockets to gently pick up the glass and stack it, ready to be used in our homes.'. Let's go. When

Have fun and stay curious! So now, we've seen the raw ingredients melting in the oven, almost like toffee. This video is used at the Columbus Museum of Art to show how glass can change from solid to fluid and back again. Okay? CURIOUS CAT: 'This long piece of glass is far too big to be used in our homes. breakfast! When these ingredients are heated together, they form a liquid glass. Yeah? the water to shoot out like that?

SUSAN: That's right. So here, we're gonna see the glass being stacked onto the pack. Okay. How hot do you think it was when they melted?

Can you see what's happening? What do you think Heat can make things move! BBC Teach > Primary Resources > Science KS1 / Science KS2 > Curious Cat. So, this is the first time that we can actually see the glass coming out. So, this is where all the raw ingredients are fed into the oven and melted, so it has to be very, very hot. All rights reserved. ', SUSAN: CURIOUS CAT: 'That's brilliant. Good thing you have glass windows in the classroom. Then it goes really smooth and flat. So it goes like-- it's almost like toffee. Read about our approach to external linking. So what happens next is that that spreads across a big bath, which is full of liquid metal, and that substance, that gloopy substance, it floats along the top, and spreads out so that it's perfectly flat. To find out what happens to the sand, Susan will show you around the glass factory. In fact, it's 1,600 degrees Celsius. ', GIRL: The children take a trip to a glass making factory and learn about the raw materials used to make it. 'Wow. ', GIRL: It got so hot in this guy's car that he was able to cook There are mysteries all around us. This machine, it is 11 years old. So just like this oil and water, the glass in the furnace floats on top of the liquid metal, and stays completely flat. CURIOUS CAT: GIRL: And this water is our liquid metal. So what's happening? These pictures were taken when the outside Very rarely a video will fail to completely load in your browser. This is what it looks like inside. Glass is made from a mixture of sand, lime and soda. So this is our liquid glass.

If you want to step up on here. And that's how glass is made out of sand. SUSAN: Here’s one last surprising thing about heat! So you've seen the raw ingredients go in one end, and glass come out the other end. Look at that. Lava is so hot that even if it's deep SUSAN: Right, here. So, let's see what happens when we pour the glass onto the liquid metal. SUSAN: SUSAN: How old do you think this machine is? But to make clear glass, a special sand called Silica Sand is used. And then it's gonna go along, and those wheels are just gonna break it out. They take a trip to a glass making factory and to start learn about the raw materials used to make it, such as sand, soda ash and limestone. BOY: We've got our sand--. SUSAN: CURIOUS CAT: Whoa. 'Glass is made from sand, soda ash, and limestone, which are three minerals that come from the ground. You see, it scores across the glass with these little wheels. And put into a big hot oven, and heated up until it is extremely hot. See it? 'They have to cool it down slowly, or it would break. These big machines are used to lift up the packs of glass and move them around, and put them on the lorry, so that it can be delivered to our customers. What are you up to? The glass floats on top. The different stages and processes involved in making a flat pane of glass are seen, including the 'float glass process', which makes the molten glass flat and smooth. Try to. SUSAN: What do you think is causing SUSAN: That's its name. Because if we cool it too quickly, then it could break. This mud is boiling! CURIOUS CAT: SUSAN: CURIOUS CAT: Watch the video to discover the answer and don't forget to vote for next week's question. This episode is locked Invite 5 or more friends and we'll unlock all previous episodes as a thank you! It may take us longer than normal to respond during back-to-school time. Remember? Looks like it works well!

And so the next stage is to cut it into pieces. Hello, children. Do you wanna go and have a look? Two children meet Curious Cat, an animated cat who asks them if they would like to find out what happens to our sewage once it leaves our homes. SUSAN: This liquid glass is made into sheets by cooling and flattening. CURIOUS CAT: Watch. Now it's time to say goodbye. And you can see it going past. is happening to all this mud? CURIOUS CAT: It's hard to see, isn't it? Two children meet animated character Curious Cat, who asks them if they would like to find out how paper is made. The sand is mixed with other ingredients. Well, glass starts off as sand. Two children meet Curious Cat, an animated cat who asks them if they would like to find out how glass is made. steak and hot dogs. underground, it can still boil the mud on the surface! If you look up ahead, you'll see the line go past. SUSAN: We're putting a picture onto the glass window. GIRL: How was your journey?

do you think will happen once the candles are lit?
No, sand is just the main ingredient that goes into glass, but it also has lots of other things in it, like soda ash and limestone. Hello, children. How is glass made?

So what we're gonna do is go to the lab and we're gonna do a little experiment so you can see what I mean, okay? This clip will be relevant for teaching Science at KS1 and KS2 in England and Foundation and KS2 in Wales. And at this stage, we're also checking for any other faults in the glass, like stress breaks or bubbles, which are obviously no good.

This is demonstrated in a laboratory using oil and water. Now, from this point, the glass is one continuous ribbon right back to that bath of liquid metal. There it is. The artists at Jason Antol Studios in Columbus, Ohio, graciously performed the demonstrations on camera. Ready?

This is what it uses to cut it. The heat from the fire pushes So, the liquid glass floats on top of the liquid metal and doesn't mix together, so it stays the glass stays perfectly flat. The children watch the raw material go in and the glass come out after which it is cut into different sizes. BOY: It's called Claritude. Try this with an adult! SUSAN: © Copyright 2020. It could provide a discussion point around the strength of flat and round objects and their uses. Also Foundation and KS1 in Northern Ireland and Early/1st/2nd levels in Scotland. SUSAN: This is from the series: Curious Cat Wool, Glass, Paper.

Fire heats up the SUSAN: And then, when it gets to these little wheels, it just gives it a little knock and it just breaks perfectly along that line, and then it moves away. Two children meet Curious Cat, an animated cat who asks them if they would like to find out how electricity is generated. Off you go. This fine sand is needed because it's very pure, and does not contain any other unwanted chemicals. Now, let's see how the real glass is doing.'. SUSAN: They are mixed together, then put into a very hot oven called a furnace.'. Something strange is going on here. What a clever machine.'.

Pupils could investigate the same objects or size of objects made from different materials and think of an investigation to test their strength. Now you know all about making glass. SUSAN:

CURIOUS CAT: 'Then the glass is cut into different sizes. 'The furnace needs to be super hot.

Underground lava boils water and makes steam. You may have lost your Internet connection. These things melted just from being in the sun!


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