States of Matter and Phase Changes
Passage
•
Science
•
6th - 8th Grade
•
Hard
David Bissell
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the melting point of pure water at sea level?
0°C
100°C
20°C
1084°C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the particles of a solid at its melting point?
They vibrate so fast that they break free from their fixed positions.
They move so slowly that they take on fixed positions.
They gain enough energy to move independently.
They lose thermal energy and condense into a liquid.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the change in state from a liquid to a gas called?
Vaporization
Condensation
Sublimation
Freezing
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of vaporization occurs only on the surface of a liquid?
Evaporation
Boiling
Condensation
Sublimation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the boiling point of water?
100°C
0°C
20°C
1084°C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the thermal energy of water vapor as it condenses?
It decreases.
It increases.
It remains constant.
It changes randomly.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the change in state from a gas to a liquid called?
Condensation
Vaporization
Freezing
Sublimation
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