Chemical and Physical Changes Vocabulary

Question 1

Anything that has mass and takes up space

Answer 1

Matter

Question 2

Small particle that is a building block of matter

Answer 2

Atom

Question 3

Matter with a composition that is always the same

Answer 3

Substance

Question 4

Substance that consists of just one type of atom

Answer 4

Element

Question 5

Substance containing atoms of two or more different elements chemically bonded together

Answer 5

Compound

Question 6

Matter that can vary in composition

Answer 6

Mixture

Question 7

Type of mixture in which the individual substances are not evenly mixed

Answer 7

Heterogeneous mixture

Question 8

Type of mixture in which the individual substances are evenly mixed

Answer 8

Homogeneous mixture

Question 9

To form a solution by mixing evenly

Answer 9

Dissolve

Question 10

Characteristic of matter that you can observe or measure without changing the identity of the matter

Answer 10

physical property

Question 11

A characteristic of matter that can be observed as it changes the different types of matter

Answer 11

chemical property

Question 12

The amount of matter in an object

Answer 12

Mass

Question 13

The mass per unit volume of a substance

Answer 13

Density

Question 14

The ability of one substance to dissolve in another

Answer 14

Solubility

Question 15

A change in the size, shape, form or state of matter in which the matter’s identity stays the same

Answer 15

Physical Change

Question 16

A change in matter in which the substances that make up the matter change into other substances with new physical and chemical properties

Answer 16

Chemical Change

Question 17

The amount of substance in a certain volume

Answer 17

Concentration