Physical and Chemical Properties

Question 1

Color

Answer 1

P

Question 2

Density

Answer 2

P

Question 3

Flammability (burns)

Answer 3

C

Question 4

Solubility (dissolves)

Answer 4

P

Question 5

Reacts with acid

Answer 5

C

Question 6

Supports Combustion

Answer 6

C

Question 7

Melting Point

Answer 7

P

Question 8

Reacts with water

Answer 8

C

Question 9

Sour Taste

Answer 9

P

Question 10

Boiling Point/Melting Point

Answer 10

P

Question 11

Luster (Shininess)

Answer 11

P

Question 12

Odor

Answer 12

P

Question 13

An ice cube is placed in the sun

Answer 13

P

Question 14

A gas is produced

Answer 14

C

Question 15

A bicycle changes color as it rusts

Answer 15

C

Question 16

A solid is crushed into a powder

Answer 16

P

Question 17

Salt dissolves in water

Answer 17

P

Question 18

Marshmallow toasting over a campfire

Answer 18

C

Question 19

An apple is cut

Answer 19

P

Question 20

Heat changes H2O to steam

Answer 20

P

Question 21

Water reacts with sodium

Answer 21

C

Question 22

Light is produced from a reaction

Answer 22

C

Question 23

Mixing salt with pepper

Answer 23

P

Question 24

Acid rain damages a marble statue

Answer 24

C

Question 25

Silver tarnishes

Answer 25

C

Question 26

A marshmallow is cut in half

Answer 26

P

Question 27

Chopping wood

Answer 27

P

Question 28

Baking soda reacts to vinegar

Answer 28

C

Question 29

CaCl2 dissolves to heat up snow

Answer 29

P

Question 30

Burning gasoline in a car

Answer 30

C

Question 31

Burning wood

Answer 31

C

Question 32

Combining O and H to make water

Answer 32

C

Question 33

Phenol red is added to to a solution

Answer 33

P

Question 34

Iron rusts

Answer 34

C

Question 35

Alcohol evaporates

Answer 35

P

Question 36

Ice melts

Answer 36

P

Question 37

Milk sours

Answer 37

C

Question 38

Sugar dissolves in water

Answer 38

P

Question 39

Wood rots

Answer 39

C

Question 40

Pancakes cook

Answer 40

C

Question 41

Grass grows

Answer 41

C

Question 42

A tire is inflated

Answer 42

P

Question 43

Food is digested

Answer 43

C

Question 44

Paper towel absorbs water

Answer 44

P

Question 45

Your friend decides to toast a piece of bread but leaves it in the toaster too long. The bread is black and the kitchen is full of smoke.

Answer 45

C

Question 46

You forgot to dry the bread knife when you washed it and reddish brown spots appeared on it.

Answer 46

C

Question 47

You blow dry your wet hair.

Answer 47

P

Question 48

In baking biscuits and other quick breads, the baking powder reacts to release carbon dioxide bubbles. The bubbles cause the dough to rise.

Answer 48

C

Question 49

You take out your best silver spoons and notice that they are very dull and have some black spots.

Answer 49

C

Question 50

A straight piece of wire is coiled to form a spring.

Answer 50

P

Question 51

Food color is dropped into water to give it color.

Answer 51

P

Question 52

Chewing food break it down into smaller particles represents a _ change, but the changing of starch into sugars by enzymes in the digestive system represents a _ change

Answer 52

P, C

Question 53

In a firework show, the fireworks explode giving off heat and light.

Answer 53

C