Unit 7 Materials

7

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Transcript of Unit 7 Materials

Page 1: Unit 7 Materials
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Matter is anything that occupies a space and has mass.

PROPERTIES:-Size, shape, colour, etc.-Length.-Volume.-Mass.

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- Definite volume and

shape

- Definite volume.- Not Definite

Shape

- Not definite Volume or

Shape

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They can come from living or non-living things

- It is made in the Earth- It is found underground - It comes from trees

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- It comes from animal skins. - It comes from plants.

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- When we transform natural

materials, We make man-made

materials

- Oil into plastic

- Wood into paper

- Sand into glass.

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They occur when we change the appereance of matter.

- They occur when we change a material into another

different.

IT IS NOT REVERSIBLE.

We can MIX two or more kinds of matter but they can be SEPARATED.

This is a MIXTURE.