DEFINITIONS

Question 1

The particulate model of matter states?

Answer 1

That matter is made up of small discrete particles and that the discrete particles in matter are in constant and random motion.

Question 2

What is Melting Point?

Answer 2

The melting point is the temperature at which a solid melts to form a liquid or liquid freezes to form a solid.

WATER MELTS AT ZERO DEGREES

Question 3

What is Boiling?

Answer 3

Boiling or the boiling point is the temperature when a liquid turns into a gas.

WATER BOILS AT 100 DEGREES

Question 4

What is Freezing?

Answer 4

The process through which a substance changes from a liquid to a solid.
All liquids except helium undergo freezing when the temperature becomes sufficiently cold.

WATER FREEZES AT 0 DEGREES

Question 5

What is Condensation?

Answer 5

Condensation is when a gas turns into a liquid.

Condensation point is the temperature it takes for a gas to turn into a liquid.

Question 6

What is Sublimation?

Answer 6

This is when a solid changes directly into a gas without turning into a liquid into a liquid first.

Example: Dry Ice, Iodine, Ammonium Chloride

The picture is dry ice.

Question 7

Define Science.

Answer 7

Science is the systematic study of nature and its application to us and the environment.