Physics

Question 1

Solid

Answer 1

Firm and stable in shape; not liquid or fluid.

Question 2

Liquid

Answer 2

A substance that flows freely but is of constant volume, having a consistency like that of water or oil.

Question 3

Gas

Answer 3

An air-like fluid substance which expands freely to fill any space available, irrespective of its quantity.

Question 4

Melting

Answer 4

The phase change of matter from Solid to Liquid.

Question 5

Condensation

Answer 5

The phase change of matter from Gas to Liquid.

Question 6

Freezing/Solidification

Answer 6

The phase change of matter from Liquid to Solid.

Question 7

Evaporation

Answer 7

The phase change of matter from Liquid to Gas.

Question 8

Sublimation

Answer 8

The phase change of matter from Solid to Gas, skipping the Liquid Phase.

Question 9

Desublimation

Answer 9

The phase change of matter from Gas to Solid, skipping the Liquid Phase.

Question 10

Physical Properties

Answer 10

Characteristics of a substance that can be measured or observed with the 5 Senses and without changing the substance.

Question 11

Chemical Properties

Answer 11

Characteristics of a substance that

Question 12

Reaction Rate

Answer 12

Speed at which a reaction takes place

Question 13

Catalyst

Answer 13

Chemical that helps to start or speed up a chemical reaction