Unit 7: Science

Question 1

What is matter defined as?

Answer 1

Anything that has mass and occupies space

Question 2

The amount of space a substance occupies which is measured in cubic centimeters or millimeters is known as BLANK. It is different from pressure, which is the force exerted per unit area.

Answer 2

Volume

Question 3

Which phase change involves a liquid turning into a gas?

Answer 3

Evaporation

Question 4

What is the process called when a gas turns into a liquid?

Answer 4

Condensation

Question 5

Compounds are substances formed from two or more different elements?

Answer 5

Chemically bonded

Question 6

The properties of compounds differ from those of BLANK that composes them

Answer 6

Individual Element

Question 7

Compounds can broken down into simpler substances through BLANK

Answer 7

Chemical Rections

Question 8

In solids, particles vibrate in BLANK

Answer 8

Fixed positions

Question 9

Heterogenous mixtures have components that are BLANK

Answer 9

Unevenly distributed

Question 10

In liquids, particles move more BLANK than in solids

Answer 10

Freely

Question 11

The kinetic energy of particles is influenced by BLANK

Answer 11

Tempature

Question 12

Which of the following is an example of physical change?

Answer 12

Cutting

Question 13

MIxtures can be seperated by BLANK

Answer 13

Physical Means

Question 14

Which of the following is a clue for a chemical change?

Answer 14

Gas production

Question 15

At constant pressure, the volume of a gas BLANK with increasing tempature

Answer 15

Increases

Question 16

Matter is anything that has mass and volume, composed of BLANK

Answer 16

Atoms

Question 17

A liquid has a definite but no definite BLANK

Answer 17

Shape

Question 18

Which of the following is a physical property of matter?

Answer 18

Color
Smell
Taste

Question 19

Which is NOT a chemical change?

Answer 19

Ice Melting

Question 20

A change that does not alter the substances chemical composition?

Answer 20

Physical Change

Question 21

How do forces of attraction between particles relate to kinetic theory of matter?

Answer 21

The thermal energy that is generated through the force between each particles creates kinetic energy because of there movement.

Question 22

Which of the following is a way in which elements and compounds are similar?

Answer 22

Elements and compounds are pure substances

Question 23

Why are there two different units for volume

Answer 23

Ask Mr. Barr

Question 24

What is Mercury?

Answer 24

A liquid sample fills a container with a volume of 20cm. The sample has a mass of 270 grams.

Question 25

What happens with energy during phase changes?

Answer 25

The energy transfers

Question 26

Which of the following is a unit for mass?

Answer 26

Grams

Question 27

Mixtures can be seperated by BLANK

Answer 27

physical means

Question 28

Compounds are substances are formed from two or more different elements BLANK

Answer 28

Chemically Bonded

Question 29

What is the description of physical properties?

Answer 29

Observable characteristics through senses or measurable attributes

Question 30

A change that results in the formation of new chemical substances is known as a BLANK

Answer 30

Chemical Change

Question 31

What property can be considered chemical?

Answer 31

Reactivity

Question 32

One particle of table salt is best described as a BLANK

Answer 32

Compound