WorksheetsPhase Changes Review 2
Total questions: 29
Worksheet time: 18mins
Name
Class
Date
1.
1. The three main states of matter include: check ALL that apply
a)
solid
b)
heat
c)
gas
d)
light
e)
liquid
2.
2. How do atoms move in a liquid?
a)
atoms vibrate in place
b)
atoms slide past each other
c)
atoms bounce around really quickly
3.
3. How do atoms move in a solid?
a)
atoms vibrate in place
b)
atoms slide past each other
c)
atoms bounce around really quickly
4.
4. How do atoms move in a gas?
a)
atoms vibrate in place
b)
atoms slide past each other
c)
atoms bounce around quickly and completely fill container
5.
8. The process of a solid changing to a liquid is called...
a)
melting
b)
freezing
c)
evaporation
6.
9. Changing from a solid to a liquid requires
a)
an increase in thermal/heat energy
b)
a decrease in thermal/heat energy
c)
no energy at all
7.
10. Atoms move faster in a solid than in a liquid.
a)
true
b)
false
8.
11. Atoms moving from a liquid state to a gaseous state is known as (think of water as you answer this question)
a)
melting
b)
freezing
c)
evaporation/boiling
9.
13. To change from a liquid to a gas, an _________ in thermal energy needs to occur.
a)
increase
b)
decrease
10.
14. Moving from a gas to a liquid is called..
a)
melting
b)
condensation
c)
sublimation
11.
15. Moving from a gas to a liquid state requires
a)
an increase in thermal energy
b)
a decrease in thermal energy
12.
16. Decreasing thermal energy mean removing heat or making it colder
a)
True
b)
False
13.
17. Imagine the picture above is displaying water becoming a solid. What is the process known as?
a)
evaporation
b)
condensation
c)
freezing
14.
18. For a liquid to turn to a solid, thermal energy needs to
a)
increase
b)
decrease
15.
19. Atoms moving from a solid state to a gas state is known as
a)
sublimation
b)
evaporation
c)
condensation
16.
20. Sublimation requires
a)
thermal energy
b)
no thermal energy
17.
21. Steam cooling down and forming water on a glass is known as
a)
evaporation
b)
condensation
c)
sublimation
18.
22. Frost forming on the grass is an example of
a)
condensation
b)
freezing
c)
melting
19.
23. Changing states of matter are considered
a)
physical changes
b)
chemical changes
20.
24. Which state of matter has definite shape and definite volume?
a)
solid
b)
liquid
c)
gas
21.
25. Which state of matter has no fixed shape or no fixed volume?
a)
solid
b)
liquid
c)
gas
22.
26. Which state of matter has definite volume, but no definite shape?
a)
solid
b)
liquid
c)
gas
23.
Match the following
a)
1.
Gas
b)
2.
Solid
c)
3.
Liquid
24.
Match the following to their state of matter:
a)
1.
liquid
b)
2.
solid
c)
3.
vapor
d)
4.
plasma
25.
a)
1.
solid
b)
2.
liquid
c)
3.
gas
26.
What state of matter is pictured?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
27.
Match the following
a)
1.
Gas
b)
2.
Solid
c)
3.
Liquid
28.
a)
Freezing
b)
Melting
c)
Condensation
d)
Evaporation
29.
The process of a liquid becoming a gas is known as...
a)
Melting
b)
Condensation
c)
Evaporation
d)
Deposition
100 %
