Log in
Sign up for FREE
arrow_back
Library
Changes of state
By Mr Pike
star
star
star
star
star
Share
share
Last updated about 12 hours ago
14 questions
Add this activity
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Question 1
1.
What is the change of state from solid to liquid called?
Condensation
Melting
Sublimation
Freezing
Question 2
2.
During which process does a liquid become a gas?
Evaporation
Melting
Solidification
Condensation
Question 3
3.
What is the change of state from gas to liquid called?
Freezing
Condensation
Sublimation
Boiling
Question 4
4.
True or False: Freezing is a process that occurs when a liquid loses thermal energy.
True
False
Question 5
5.
What is it called when a solid turns directly into a gas without becoming a liquid first?
Melting
Deposition
Sublimation
Evaporation
Question 6
6.
Which of the following are examples of condensation? (Select all that apply)
Dew forming on grass
Ice melting
Water boiling
Fog forming
Question 7
7.
At what temperature does water boil under standard atmospheric pressure?
0°C
100°C
50°C
25°C
Question 8
8.
Which of the following factors can affect the change of state? (Select all that apply)
Temperature
Pressure
Volume
Color
Question 9
9.
True or False: Boiling is a form of evaporation only occurring at the surface of a liquid.
True
False
Question 10
10.
Which process involves a gas changing directly to a solid?
Melting
Sublimation
Freezing
Deposition
Question 11
11.
What happens to the energy of a molecule when it undergoes melting?
It decreases
It remains the same
It increases
It disappears
Question 12
12.
Which of the following changes of state can occur when a substance cools down? (Select all that apply)
Freezing
Condensation
Sublimation
Evaporation
Question 13
13.
True or False: The freezing point of a substance is always lower than its melting point.
True
False
Question 14
14.
Which of the following describes the kinetic energy of molecules in a solid versus a gas?
Gas molecules have less kinetic energy than solid molecules
Solid molecules have more kinetic energy than gas molecules
Gas molecules have more kinetic energy than solid molecules
They have the same kinetic energy