Unit 1 Quiz

Question 1

Mass

Answer 1

Measure of matter

Question 2

Matter

Answer 2

Anything that has mass and takes up space

Question 3

Atom

Answer 3

Smallest unit of of an element

Question 4

Compound

Answer 4

Substance that can be broken down into simple and stable substance

Question 5

Extensive properties

Answer 5

Depends on amount of matter present

Question 6

Intensive property

Answer 6

DOES NOT depend on amount of matter present

Question 7

Physical property

Answer 7

Characteristics that can be observed or measured without changing the identity (grinding, cutting, boiling)

Question 8

Physical change

Answer 8

Change in substance that does not involve changing the identity

Question 9

Solid

Answer 9

Definite volume, but indefinite shape

Question 10

Liquid

Answer 10

Definite volume, but indefinite shape

Question 11

Gas

Answer 11

No definite volume, and indefinite shape

Question 12

Chemical property

Answer 12

Ability to change into different substances

Question 13

Chemical change

Answer 13

Change in which one or more substances are converted into different substances

Question 14

Product

Answer 14

Substances that are formed by the chemical change

Question 15

Mixture

Answer 15

Blend of 2 or more kind matter (retains own property)

Question 16

Homogenous

Answer 16

Uniform in composition

Ex. Salt water

Question 17

Heterogenous

Answer 17

Not uniform without

Ex clay and water

Question 18

Pure substances

Answer 18

Fixed composition and differ from mixture

Question 19

Accuracy

Answer 19

How close the measurements is to actual amount (accepted)

Question 20

Precision

Answer 20

Measurements does not fluctuate

Question 21

Sig figs

Answer 21

Show how much precision in measurements