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hello chicos today we're going to learn about materials there are two kinds of

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materials natural materials and man-made materials natural materials come from

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plants animals or nature wood is a natural material man-made materials are

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are made from other materials a water bottle is a man-made material this is a spring it's made

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of metal metal this is a notebook its pages are made of paper paper this is a pot it's made of

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This is a glass.

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It's made of glass.

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This is acrylic.

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It's made of plastic.

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This is a stool.

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It's made of wood.

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Materials have different characteristics.

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this is elastic elastic it can stretch out and return to its original shape a rubber band is

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elastic this is flexible flexible it can bend without breaking some plastics are flexible

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This is hard, hard. We can't cut it easily. Metal is hard. This is resistant, resistant. It can support heavy weights. Hardwood is resistant.

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This is soft, soft.

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This material isn't hard.

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A sponge is soft.

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This is fragile, fragile.

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This material isn't resistant.

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Ceramics are fragile.

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This is rigid, rigid.

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This material isn't flexible.

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Wood is rigid.

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Objects can also be heavy or have a great weight.

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The basketball weighs more than the tennis ball.

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The basketball is heavier than the tennis ball.

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Look at the two jars.

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The one on the right occupies more space because it is bigger than the one on the left.

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You can put more sugar in the jar on the right because it is bigger.

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Thank you so much for listening.