Energy Practice Test

Quiz
•
Science
•
8th Grade
•
Hard
+10
Standards-aligned
Charles Martinez
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which graph correctly shows the effect of heat energy on the motion of molecules of matter?
A
B
C
D
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram shows a pinwheel rotating above a lit candle. The arrows indicate the direction
of air flow.
Which energy transformation is best shown in this diagram?
heat to mechanical
sound to heat
mechanical to light
heat to sound
Tags
NGSS.MS-PS3-3
NGSS.MS-PS3-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The graph below shows the heating curve for substance X.
At approximately which temperature does a phase change begin?
−30°C
0°C
−10°C
18°C
Tags
NGSS.MS-PS1-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A wet shirt is put on a clothesline to dry on a sunny day. The shirt dries because water molecules:
gain heat energy and condense
gain heat energy and evaporate
lose heat energy and condense
lose heat energy and evaporate
Tags
NGSS.MS-ESS2-4
NGSS.MS-PS1-4
NGSS.MS-PS3-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Four machines that convert ELECTRICAL energy to MECHANICAL energy were tested for fuel efficiency. The results of the test are shown in the chart below.
Which machine produced the most HEAT energy?
A = 20 UNITS OF HEAT ENERGY
B = 30 UNITS OF HEAT ENERGY
C = 35 UNITES OF HEAT ENERGY
D = 60 UNITS OF HEAT ENERGY
Tags
NGSS.MS-PS3-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which sequence of energy transformations occurs after a battery-operated flashlight is turned on?
electrical → light → chemical
electrical → chemical → light
chemical → light → electrical
chemical → electrical → light
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagrams show liquid water changing to water vapor in four different situations. Which observation would be evidence that the water is undergoing a phase change?
Waves form on the top of the pond.
Water soaks into the wet sand.
The water splashes out of the swimming pool.
The water level in the glass of water decreases.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
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