Chapter 15 Vocabulary Cards

Question 1

The change of one substance to another.

Answer 1

Chemical Change

Question 2

A characteristic of a substance that indicates whether it can undergo a certain chemical change.

Answer 2

Chemical Property

Question 3

A type of mixture with particles that are larger than those in solutions but not heavy enough to settle out.

Answer 3

Colloid

Question 4

A substance in which the atoms of two or more elements are combined in a fixed proportion.

Answer 4

Compound

Question 5

The process for separating substances in a mixture by evaporating a liquid and recondensing its vapor.

Answer 5

Distillation

Question 6

A substance in which all atoms have the same identity.

Answer 6

Element

Question 7

A mixture in which different materials can be distinguished easily.

Answer 7

Heterogeneous Mixture

Question 8

Contains two or more gaseous, liquid, or solid substances blended evenly throughout.

Answer 8

Homogeneous Mixture

Question 9

A law that states that the mass of all substances that are present before a chemical change equals the mass of all the substances that remain after the change.

Answer 9

Law of Conservation of Mass

Question 10

A change in size, shape, or state of matter.

Answer 10

Physical Change

Question 11

Any characteristic of a material that you can observe without changing the identity of the substances that make up the material.

Answer 11

Physical Property

Question 12

A homogeneous mixture of particles so small that they cannot be seen with a microscope and will never settle to the bottom of their container.

Answer 12

Solution

Question 13

A type of matter with a fixed composition.

Answer 13

Substance

Question 14

A heterogeneous mixture containing a liquid in which visible particles settle.

Answer 14

Suspension

Question 15

The scattering of light by colloidal particles.

Answer 15

Tyndall Effect