Chapter 3 Vocabulary

Question 1

Change in which the composition of a substance changes.

Answer 1

chemical change

Question 2

Characteristic that cannot be observed without altering the sample.

Answer 2

chemical property

Question 3

The process of changing from a gas to a liquid.

Answer 3

condensation

Question 4

The process by which a gas changes into a solid.

Answer 4

deposition

Question 5

States that mass in neither created nor destroyed - and as a result the mass of the substances before a physical or chemical change is equal to the mass of the substances present after the change.

Answer 5

law of conservation of mass

Question 6

Change in which the form or appearance of matter changes, but not its composition .

Answer 6

physical change

Question 7

Characteristic that can be observed, using the five senses, without changing or trying to change the composition of a substance.

Answer 7

physical property

Question 8

The process by which a solid changes directly into a gas.

Answer 8

sublimation

Question 9

The process by which a liquid changes into a gas.

Answer 9

vaporization