Physical And Chemical Changes

Question 1

Combustibility.

Answer 1

Chemical

Question 2

Malleability: ability to be shaped by tools like hammers/forging

Answer 2

Physical

Question 3

Weight

Answer 3

Physical

Question 4

Failure to react

Answer 4

Physical

Question 5

Ductility: ability for a material to have its shaped change without breaking

Answer 5

Physical

Question 6

Texture

Answer 6

Physical

Question 7

Density

Answer 7

Chemical

Question 8

Tendency to corrode

Answer 8

Chemical

Question 9

Volume

Answer 9

Physical

Question 10

Melting point

Answer 10

Chemical

Question 11

Odor

Answer 11

Chemical

Question 12

Flammability

Answer 12

Chemical

Question 13

Digestion of food

Answer 13

Chemical

Question 14

Getting a haircut

Answer 14

Physical

Question 15

Evaporation

Answer 15

Physical

Reminder: state changes are always physical

Question 16

Ice cube melting

Answer 16

Physical

Question 17

Crushing rocks

Answer 17

Physical

Question 18

Explosions

Answer 18

Chemical

Question 19

Lighting a candle

Answer 19

Chemical

Question 20

Tarnishing: rusting after being exposed to air ( basically )

Tarnishing silver

Answer 20

Chemical

Question 21

Formation of acid rain

Answer 21

Chemical

Question 22

Dissolving salt in water

Answer 22

Physical

Question 23

Bonus: State changes are always….

Answer 23

Physical

Question 24

Physical properties:

Answer 24

Can be observed without changing matter

Question 25

Chemical properties:

Answer 25

Describe how a substance interacts with other substances