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I'm going to tell you

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I'm going to reveal

3
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natural

4
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okay

5
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so matter is everything

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is everything

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around us

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everything

9
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and each type of matter is a substance

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the substance

11
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can be the light, the air

12
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the sound, water

13
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soil

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we have some properties

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Mass is the kilogram, the weight, and volume, how much it occupies, okay?

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It's usually in literals.

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The states of the matter, it can be solid, with a fixed shape, right?

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Liquid, fixed in volume.

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Gas, if it's in shape or volume, becomes part, okay?

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The states of water, remember, there is a system that we need to bring.

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states of water. Solid, we can find it as snow

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or ice. And liquid, in rivers and oceans and lakes

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and ponds. And the gas, we can find it in geysers,

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water viper, and clouds, okay?

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And right after that, the changes of state of water

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can be from condensation. Remember that they are from gas

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to liquid, okay?

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Melting is when we have something solid and it turns into liquid.

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Evaporation is when something is liquid and later it turns into gas, like water vapor.

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Okay, solidification is liquid, water, we put it in the fridge, we freeze it, right, in the refrigerator, and it turns into solid.

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Okay?

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The substances that we talked before, remember they can be pure, so only one substance, or mischievous, like some of them together.

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Is there any doubt?

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No?

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No?

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No.

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No?

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You don't have to go there now?

39
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No.

40
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Yes or no?

41
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No?

42
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No?