unit 3 topic 5

Question 1

what is fusion

Answer 1

A solid turning into a liquid

Question 2

what is solidification

Answer 2

change from a liquid to a solid also known as freezing

Question 3

what is evaporation

Answer 3

the process by which a liquid, such as water turns into a gas or vapour.

Question 4

what is condensation

Answer 4

the process of changing from a gas or vapour to a liquid

Question 5

what is sublimation

Answer 5

A change in state when a gas changes directly to a solid or a solid directly to a gas.

Question 6

what is evaporation cooling

Answer 6

is a way of sweating to cool down. Also known as evaporation.

Question 7

what is an example of solidification

Answer 7

ice cubes

Question 8

what is a example of evaporation

Answer 8

kettle

Question 9

what is a example of sublimation

Answer 9

dry ice

Question 10

what is heat capacity

Answer 10

the amount of thermal energy that cools or warms the object by one degree celsius

Question 11

what is specific heat capacity

Answer 11

the amount of thermal energy that cools or one gram of a material by one degree celsius

Question 12

any pure substance can exist _________

Answer 12

all three stages of matter.

Question 13

most common substances are either ______ or ______ at everyday temperature

Answer 13

1. solid 2. liquid

Question 14

what state of matter would the particles be more organized

Answer 14

solid

Question 15

which state of matter would the particles be less organized

Answer 15

liquid

Question 16

which particles would be able to move freely

Answer 16

gas

Question 17

what is the boiling point at which oxygen is a liquid

Answer 17

183 evaporation

Question 18

what is the temperature at which table salt is a gas

Answer 18

boiling point 1413 sublimation

Question 19

what is the melting point at which tin is a liquid

Answer 19

melting point 232 fusion

Question 20

what are the six changes of state

Answer 20

evaporation melting condensation freezing release energy