States Of Matter

Question 1

Matter

Answer 1

Anything that occupies space and has mass

Question 2

Mass

Answer 2

Is the amount of matter in an object

Question 3

Properties of solids

Answer 3

Have definite shape
Have definite volume
Have definite volume
Cannot be compressed
Cannot flow

Question 4

Properties of liquid

Answer 4

Have no definite shape, have a definite volume, cannot be compressed and can flow.

Question 5

Properties of gases

Answer 5

Jane no definite shape , no definite volume, can be compressed and can flow.

Question 6

Energy

Answer 6

For a substance to change state it needs heat energy. As it changes state it uses latent heat. There is no change in temperature, but the state of the material changes.

Question 7

The melting point

Answer 7

This is when both liquid and solid exist together.

Question 8

Boiling point

Answer 8

This is when liquid begins to evaporate

Question 9

Condensation

Answer 9

This is the changing of gas to liquid

Question 10

Diffusion

Answer 10

Is the movement of particles from an area of high concentration to an area of low concentration e.g. the spread of perfume around a room.

Question 11

Sublimation

Answer 11

Some substances don’t change from solid to liquid when they melt , they change straight from solid to gas e.g. solid carbon dioxide is known as dry ice and turns into gas when heated.

Question 12

Plasma

Answer 12

Plasma is the fourth state of matter. It’s like gas except it can conduct electricity. Plasma is a gas that can carry electric charge. Plasma particles spread out and move around randomly.