Matter Test

Question 1

Four signs of chemical reaction

Answer 1

• Change in color or odor
• Formation or gas
• Change in temperature/absorption of heat or light
• formation or precipitate

Question 2

Change of identity of substance, products have different properties, reactants to products

Answer 2

Chemical change

Question 3

Changes form of substance w/ no change of identity, properties remain same

Answer 3

Physical change

Question 4

Describes the ability of a a substance to undergo changes in identity

Answer 4

Chemical property

Question 5

Properties that can be observed without changing the identity of the substance

Answer 5

Physical property

Question 6

Extensive or intensive

Mass

Answer 6

Extensive

Question 7

Extensive or intensive

Color

Answer 7

Intensive

Question 8

Extensive or intensive

Ductility

Answer 8

Intensive

Question 9

Extensive or intensive

Length

Answer 9

Extensive

Question 10

Extensive or intensive

Melting point

Answer 10

Intensive

Question 11

Chemical or physical

Fading of dye in cloth

Answer 11

Chemical

Question 12

Chemical or physical

Growth of plant

Answer 12

Chemical or physical (both)

Question 13

Chemical or physical

Melting ice

Answer 13

Physical

Question 14

Chemical or physical

Digestion of food

Answer 14

Chemical

Question 15

Chemical or physical

Formation of clouds in the air

Answer 15

Physical

Question 16

Healing a wound

Answer 16

Chemical

Question 17

Chemical or physical

Making a rock candy by evaporating water from sugar solution

Answer 17

Physical

Question 18

Chemical or physical

Production of light by an electric lamp

Answer 18

Physical

Question 19

Chemical or physical

Color

Answer 19

Physical

Question 20

Chemical or physical

Reactivity

Answer 20

Chemical

Question 21

Chemical or physical

Flammability

Answer 21

Chemical

Question 22

Chemical or physical

Odor

Answer 22

Physical

Question 23

Chemical or physical

Porosity

Answer 23

Physical

Question 24

Chemical or physical

Stability

Answer 24

Chemical

Question 25

Chemical or physical | Ductility

Answer 25

Physical

Question 26

Chemical or physical | Solubility

Answer 26

Physical

Question 27

Chemical or physical | Thermal expansion

Answer 27

Physical

Question 28

Chemical or physical | Melting point

Answer 28

Physical

Question 29

Chemical or physical | Catches fire In air

Answer 29

Chemical

Question 30

Chemical or physical | Density

Answer 30

Physical

Question 31

Chemical or physical | Length

Answer 31

Physical

Question 32

Chemical or physical | Burning of coal

Answer 32

Chemical

Question 33

Chemical or physical | Tearing a piece of paper

Answer 33

Physical

Question 34

Chemical or physical | Kicking a football

Answer 34

Physical

Question 35

Chemical or physical | Excavating of soil

Answer 35

Physical

Question 36

Solid, liquid, gas? Ordered , definite shape and volume ,slightly compressible , least kinetic energy

Answer 36

Solid

Question 37

Solid, liquid, gas? Disordered , slightly less dense , definite volume , shape of container , slightly compressible , medium kinetic energy

Answer 37

Liquid

Question 38

Solid, liquid, gas? Disordered, lower density , no definite shape and volume , highly compressible , most kinetic energy

Answer 38

Gas

Question 39

Absorbs heat

Answer 39

Endothermic

Question 40

Release heat

Answer 40

Exothermic