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WorksheetsModule 7: L1/ L2
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
A particle/atom is a small unit of ______.
a)
matter
b)
mass
c)
atoms
d)
energy
2.
The movement of particles from an area of High concentration to Low concentration is _________.
a)
random motion
b)
thermal expansion
c)
thermal contraction
d)
diffusion
3.
What is the decrease of motion of particles, resulting in less kinetic energy and decreased volume?
a)
random motion
b)
thermal expansion
c)
thermal contraction
d)
diffusion
4.
The measuring of the average KE of particles in a material is called _______.
a)
temperature
b)
thermal expansion
c)
thermal contraction
d)
diffusion
5.
What is the Celsius temperature for freezing water?
a)
32 degrees C
b)
0 degrees C
c)
-32 degrees C
d)
212 degrees C
6.
More mass means there are more moving particles. This also results in ________.
a)
more energy
b)
less energy
7.
In the heat curve chart, what does the letter D represents?
a)
melting
b)
boiling
c)
liquid
d)
gas
8.
In the below image of the different states of matter, what does letter C represent?
a)
gas
b)
solid
c)
melting
d)
liquid
9.
In the below diagram, what does the letter F represent?
a)
melting
b)
condensation
c)
vaporization (boiling and/or evaporating)
d)
freezing
10.
On the letter I side of the scale, KE and PE are at their ___________________?
a)
lowest
b)
highest
11.
The combined total of KE, PE, mass and type of matter in a material is called ______________.
a)
nuclear energy
b)
chemical energy
c)
radiant energy
d)
thermal energy
12.
Why are different substances solid, liquids or gases at room temperature?
a)
because of the strength of the attractive forces in the particles
b)
because of the movement of the particles
13.
During a hot shower, water vapor fogs up the cooler mirror when it turns to water. This is an example of __________.
a)
condensation
b)
deposition
c)
sublimination
d)
vaporization
14.
Marco put a pot of water on to boil eggs. Half an hour later, he returned to find the pot dry. This is an example of ______________.
a)
condensation
b)
deposition
c)
sublimination
d)
vaporization
15.
Which of the following statements about the particles in a material is true?
a)
The average KE of the particles increases as the temperature increases.
b)
The average KE of the particles decreases as the temperature increases.
c)
The average KE of the particles in a substance never changes.
d)
There is no relationship between KE and temperature.
16.
True/False: When a substance is cooled it usually expands.
a)
True
b)
False
17.
Water has been left in a pot on a hot stove. Bubbles form throughout the liquid and rise to the top. Which type of change is this?
a)
boiling
b)
evaporation
c)
density
d)
condensation
18.
When a substance is heated, the particles gain energy and move apart, increasing the volume. The mass of the substance being heated ________.
a)
increases
b)
decreases
c)
stays the same
d)
varies unpredictably
19.
As the KE and PE increases, the attractive forces of the particles ___________.
a)
increases
b)
decreases
c)
is constant
d)
does not change
20.
True/False: The distance between particles is represented by Potential Energy.
a)
True
b)
False
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