Lesson 2 Matter

Question 1

____________the temperature at which a substance changes state from a liquid into a gas

Answer 1

Boiling point

Question 2

____________________a physical law that states that matter is not created or destroyed during a chemical reaction

Answer 2

Conservation of mass

Question 3

____________the temperature at which a substance changes from a liquid to a solid

Answer 3

Freezing point

Question 4

______________ a change of matter in size,shape or state that does not change the type of matter

Answer 4

Physical change

Question 5

_____________ the particular temperature at which a substance changes from solid to liquid

Answer 5

Melting point

Question 6

_______ a type mixture in which the particles of one martial are scattered through another and block the passage of light without settling out

Answer 6

Colloid

Question 7

___________ the process of separating the parts of a mixture by evaporation and condensation

Answer 7

Distillation

Question 8

________ a physical combination of two or more substances that are blended together without forming new substances

Answer 8

Mixture

Question 9

________ the maximum amount of a substance that can be dissolved by another substance

Answer 9

Solubility

Question 10

_________________ a change of matter that occurs when atoms link together in a new way,creating a new substance different from the original substance

Answer 10

Chemical reaction

Question 11

_________ an original substance at the beginning of a chemical reaction

Answer 11

Reactants

Question 12

________ a substance at the end of a chemical reaction

Answer 12

Product

Question 13

____________________________ the total mass of the reactants equals the total mass of the products

Answer 13

Law of Conservation of Mass

Question 14

Mixtures can be separated using _____________ properties

Answer 14

Physical

Question 15

_____________________ are mixtures that have parts you can plainly see

Answer 15

Heterogeneous

Question 16

Name two examples of a heterogeneous mixture

Answer 16

Garden salad,Trail mix

Question 17

A __________________ is the part of a heterogeneous mixture that is not easily seen

Answer 17

Suspensions

Question 18

Give 2 examples of a suspension

Answer 18

Peanut butter, Mud in a stream

Question 19

Colloids can make a heterogeneous mixture appear to be

Answer 19

Cloudy or creamy

Question 20

Give examples of a colloids:

Answer 20

Fog ,mayonnaise ,smoke ,colored glass

Question 21

Another name for a heterogeneous mixtures is a

Answer 21

Solution

Question 22

___________ is a material present in the greatest amount in a solution

Answer 22

Solvent

Question 23

____________ is any other part of the solution

Answer 23

Solute

Question 24

_________ and _________ can be in any state of matter (solid, liquid, gas

Answer 24

Solvents and solute

Question 25

Solubility of a solid put into a liquid usually increases when the

Answer 25

Temperature of the solvent increases

Question 26

Making mixtures is a

Answer 26

Physical change

Question 27

You can ____,_____or ________the formation of new substances in a chemical change

Answer 27

See,hear,smell

Question 28

Metal to rust and tarnish or leaves changing from green to red is which sign of a chemical change?

Answer 28

Change in color

Question 29

Toasting marshmallows over a fire the marshmallow goes from lite smell to pleasant smell. Which sign of chemical change is it showing?

Answer 29

Change in odor

Question 30

In an ____________ the reactions can cause matter to become warm and cold and give off light.

Answer 30

Energy change

Question 31

An example of an energy change is

Answer 31

Fireworks

Question 32

________ usually indicate the formation of a gas

Answer 32

Bubbles

Question 33

___________ is a solid formed from the chemical reaction of some solutions

Answer 33

Precipitate

Question 34

Digesting food

Answer 34

C

Question 35

Ice cube melting

Answer 35

P

Question 36

Getting a haircut

Answer 36

P

Question 37

A bicycle rusting

Answer 37

C

Question 38

Butter melting

Answer 38

P

Question 39

Oil mixed w/ water

Answer 39

P

Question 40

A candle burning

Answer 40

C

Question 41

Frying an egg

Answer 41

C

Question 42

Baking soda reacting w/ vinegar

Answer 42

C

Question 43

Glass breaking

Answer 43

P