Materials

Question 1

What is matter?

Answer 1

Matter is anything that occupies space and mass.

Question 2

Explain melting.

Answer 2

The melting point is the temperature at which a solid changes to a liquid.

Question 3

Explain boiling.

Answer 3

The boiling point of a liquid is the temperature at which a liquid changes to a gas throughout the liquid.

Question 4

Explain evaporation.

Answer 4

Evaporation is the changing of a liquid to a gas at the surface of the liquid.

Question 5

Explain condesation.

Answer 5

Condensation is the changing of a gas to a liquid.

Question 6

Explain freezing.

Answer 6

Freezing is the changing of a liquid to a solid.

Question 7

Explain diffusion.

Answer 7

The movement of particles from an area of high concentration to an area of low concentration.