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WorksheetsUnit 3 Test Review
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What form of energy is being used when a person pushes something across the floor?
a)
Sound energy
b)
Mechanical energy
c)
Electrical energy
d)
Heat energy
2.
Which part of a lamp could be removed and the lamp still work?
a)
The wall outlet
b)
The light bulb
c)
The electrical cord
d)
The lamp shade
3.
Which form of energy is produced when a piano key is struck?
a)
Light
b)
Thermal
c)
Electrical
d)
Sound
4.
What form of energy causes ice to melt?
a)
Sound
b)
Light
c)
Thermal
d)
Mechanical
5.
All of the following can be reasons a flashlight doesn't work EXCEPT-
a)
There were no batteries in the flashlight.
b)
The lens protecting the light bulb was scratched.
c)
He didn't turn the switch turned on.
d)
The flashlight batteries were old.
6.
Two people raced identical remote control cars. One person raced their car on a rough surface and the other on a smooth surface. The one of the smooth surface won. Why?
a)
The one on the smooth surface has more tension.
b)
The one on the rough surface has more pressure.
c)
The one on the rough surface has more friction.
d)
The one on the smooth surface has more gravity.
7.
Which form of energy is produced when a light is switched on?
a)
Sound
b)
Electrical
c)
Chemical
d)
Light
8.
Which of the following is a good conductor of heat?
a)
Water
b)
Glass
c)
Copper
d)
Wood
9.
A student wanted to see how his toy car would roll on different types of flooring. He rolled the car on tile, wood, and carpeted floors. He was testing the effects of:
a)
Gravity
b)
Magnetism
c)
Friction
d)
Sound
10.
A student wants to see how the size of an iron ball is affected by gravity. Which of the following would have to remain the same for the experiment to be successful?
a)
Mass and volume
b)
Material used and shape of object
c)
Mass and shape of object
d)
Volume and material used
11.
Which statement is true about water boiling in a pot?
a)
The metal pot causes the water to boil.
b)
The metal pot is a poor conductor of heat.
c)
The wooden handle is a good heat insulator.
d)
The wooden handle is a good heat conductor.
12.
Which of the following is true about the circuit?
a)
The electrical circuit is working.
b)
The electrical circuit is open.
c)
The electrical circuit is complete.
d)
The electrical circuit is closed.
13.
Which of the following is only true of conductors?
a)
Can be made from wood.
b)
Stops energy from passing through it
c)
Allows energy to pass through it
d)
Is made from matter
14.
Which of the following is a good insulator of heat?
a)
Plastic
b)
Styrofoam
c)
Glass
d)
Metal
15.
Which of the following is the best conductor of electricity?
a)
Ceramic mug
b)
Plastic fork
c)
A penny
d)
A wooden craft stick
16.
Students were conducting an investigation to observe how the amount of force used to pull an object affects how fast it can travel 3 meters. Which of the following would NOT be needed for the experiment?
a)
Magnet
b)
Meter stick
c)
Stop watch
d)
Spring scale
17.
Which container will most likely insulate a soda best?
a)
Metal
b)
Styrofoam
c)
Glass
d)
Plastic
18.
What safety equipment would be essential in an investigation testing the effect of force on an object?
a)
Aprons
b)
Timing devices
c)
Safety goggles
d)
Plastic gloves
19.
Which of the following is a reason an electromagnet will not work?
a)
The battery is too small.
b)
The wire is wrapped around the nail too many times.
c)
The battery is attached to the nail.
d)
The wire is not connected to the battery.
20.
What form of energy supplies power to a vacuum?
a)
Magnetic
b)
Chemical
c)
Sound
d)
Electrical
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