Matter: Property && Chnages

Question 1

The study of matter and the changes it undergoes

Answer 1

Chemistry

Question 2

What are the four stages of matter?

Answer 2

Solid, liquid, gas, & plasma

Question 3

• particles cannot move around freely
• fixed shape
• fixed volume
• incomprehensible

Answer 3

Solid

Question 4

• particles can move around freely, but not too much
• variable shape (shape of container)
• fixed volume
• virtually incomprehensible

Answer 4

Liquid

Question 5

• particles move around freely
• variable shape
• variable volume
• easily compressed

Answer 5

Gas

Question 6

Gaseous state of a substance that is a liquid or solid at room temperature

Answer 6

Vapor

Question 7

• particles collide with enough energy to break into charged particles (+,-)
• variable shape
• variable volume
• found in starts and fluorescent light bulbs

Answer 7

Plasma

Question 8

Can be observed without changing the pice tiny of the substance

Answer 8

Physical property

Question 9

Physical property that depends on the amount of matter present (length)

Answer 9

Extensive property

Question 10

Physical property that depends one the identity of substance, no the amount (density)

Answer 10

Intensive property

Question 11

Describes the ability of a substance to undergo changes im identity

Answer 11

Chemical property

Question 12

Physical or chemical property :

Melting point

Answer 12

Physical

Question 13

Physical or chemical property :

Flammable

Answer 13

Chemical

Question 14

Physical or chemical property :

Density

Answer 14

Physical

Question 15

Physical or chemical property :

Magnetic

Answer 15

Physical

Question 16

Type of change that changes the form of a substance without changing its identity && it’s properties remain the same

Answer 16

Physical change

Question 17

Change from liquid to gas

Answer 17

Evaporation

Question 18

Change from gas to liquid

Answer 18

Condensation

Question 19

Change from solid to liquid

Answer 19

Melting

Question 20

Change from liquid to solid

Answer 20

Freezing

Question 21

Change from solid to gas

Answer 21

Sublimation

Question 22

Change from gas to solid

Answer 22

Deposition

Question 23

A change that results in a new substance being formed with different compositions and properties than the original substance

Answer 23

Chemical change

Question 24

What are some signs of chemical changes?

Answer 24

• Changes in odor
• formation of gas
• formation of precipitate
• change in temperature

Question 25

What is the law of conservation of mass?

Answer 25

Matter can’t be created nor destroyed

Question 26

Anything that has mass and takes up space

Answer 26

Matter