Basic Concepts of Matter (2)

Chemistry

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Matter (1)

Matter consists of particles that are tiny and discrete

Matter (2)

Matter can exits in three states, namely solid, liquid and gas

Plasma (1)

Is the fourth state of matter besides solid, liquid and gas

Plasma (2)

A plasma is an ionised gas

Plasma (3)

Although plasma in its natural state is rarely found on Earth, plasma is the state of matter most found in the universe

Plasma (4)

Most stars exist as plasma

The changes in the state of matter

Is caused by heating or cooling

Example of changes in the state of matter (1)

Ice cream that is left at room temperature absorbs heat energy and changed from solid to liquid state

Example of changes in the state of matter (2) (a)

At night, glass windows release heat to the surroundings causing the surface of the glass window to become cold

Example of changes in the state of matter (2) (b)

Water vapour in the air that comes in contact with the cold surfaces loses heat and forms water droplets on the surface of the glass window

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