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Hi guys! Today, me and my assistant are going to talk about mass and volume.

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Say hello!

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Okay, so we're going to talk about mass and volume.

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Mass is the amount of matter an object has, and volume is how much space it occupies.

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An object can be small, but very heavy.

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A different object can be big, but very light.

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so you can have a bird that has a big long long long feather but the feather is really light

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it falls slowly to the ground you can have a ball but it can be solid and it can weigh

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a lot so it falls quickly to the ground so here i have two objects both are books

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Which book has the bigger volume, this book or this book?

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You're right.

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This book has the bigger volume because it takes up more space than this book.

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This book is smaller.

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Now, which book do you think has more matter, this book or this book?

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You're right.

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This book.

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This book has more matter because not only is it bigger, but it also weighs more than this book does.

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Great job.

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Now, my assistant ran away from me, but next time she'll be back in class, so make sure you watch the videos.

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Bye-bye.