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WorksheetsChanges in Energy on a Molecular Level
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
These molecules represent which state of matter?
a)
Solid
b)
Liquid
c)
Gas
2.
What phase change is happening between point B and C?
a)
Condensating
b)
Melting
c)
Evaporating
3.
What phase change is occurring between points D and E?
a)
Freezing
b)
Evaporating
c)
Melting
4.
Describe the molecules in a gas.
a)
Tightly compact, vibrating
b)
Close together, slightly moving
c)
Far apart, moving fast
5.
As thermal energy increases, what happens to the movement of the molecules?
a)
Increases
b)
Decreases
c)
Stays the same
6.
If the movement of the atoms increases, you can assume the temperature was _________.
a)
Increased
b)
Decreased
c)
Not Changes
7.
The transfer of thermal energy from one object to another is known as ______.
a)
Kinetic Energy
b)
Heat
c)
Potential Energy
8.
Arnold placed a hot pan on the counter. The pan is transferring heat to the counter by the process of _______.
a)
Radiation
b)
Convection
c)
Conduction
9.
The sun transfers heat to the Earth by _________.
a)
Radiation
b)
Convection
c)
Conduction
10.
Heat can also be transferred by _____. An example of this is when the air moves from things that are hotter to colder.
a)
Radiation
b)
Conduction
c)
Convection
11.
What phase change would be presented by letter C?
a)
Freezing
b)
Melting
c)
Evaporating
d)
Condensating
12.
These molecules represent which state of matter?
a)
Solid
b)
Liquid
c)
Gas
13.
What phase change would be presented by letter A?
a)
Melting
b)
Freezing
c)
Evaporating
d)
Condensing
14.
What phase change would be presented by letter B?
a)
Melting
b)
Freezing
c)
Evaporating
d)
Condensing
15.
Molecules move faster in ________ water.
a)
Hot
b)
Cold
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