3. DIFFERENT KINDS OF MATTERS
3/13/2013
By the end of this module you will be able to :
name three forms of matters
Give examples of substances in each forms
Explain the following words: solid, liquid and gas.
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4. DIFFERENT KINDS OF MATTERS
3/13/2013
What is matter it is refer to something like solid, liquids and gases.
There are three different forms of matters: solid, liquid and gas.
Solids
When matter is in a solid form, it is easy to pick it up. Solid do not change
their size and shape easily. E.g. of solids are pens and
pencils, trees, cars, rocks and ice.
Liquids
When something is in liquid form, it will take on the shape of the container
it is in. E.g. liquid of water, milk, oil and cooldrink.
Gases
when something is in gas form, you cannot always see it. E.g. gases are
steam, air and oxygen.
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5. WATER CHANGES ITS FORMS
3/13/2013
Water changes to a solid from its form when it frozen. It becomes ice. water
always freezes when the temperature drops below 0˚C.This is the freezing
point of water.
Water exist in its liquid form at room temperature. When water is above 0˚C
it is a liquid.
Water changes to a gas when it is boiled. It becomes steam. Water boils at
100˚C. This called its boiling temperature.
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