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WorksheetsEnergy Unit Review
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Energy due to the motion and position of an object is:
a)
Mechanical Energy
b)
Heat Energy
c)
Kinetic Energy
d)
Potential Energy
2.
Suppose three people were going sledding. What is one way to increase their potential energy?
a)
Wax the runners on the Wax the runners on the sled.
b)
Pull faster
c)
Find a taller hill
d)
Wait until the snow is deeper.
3.
What type of energy is occurring as a sled is moving down the hill?
a)
Potential energy
b)
Kinetic energy
c)
Thermal energy
d)
Moving energy
4.
A battery is added to a circuit to make a light bulb light. What two types of energy are being used?
a)
Chemical and electrical
b)
Thermal and solar
c)
Mechanical and chemical
d)
Electrical and kinetic
5.
What type of energy does a burning candle represent?
a)
Heat
b)
Solar
c)
Potential
d)
Mechanical
6.
Animals use energy from food to move. What type of energy transformation is occurring?
a)
Mechanical to chemical
b)
Chemical to mechanical
c)
Heat to mechanical
d)
Thermal to mechanical
7.
Green plants transform the Sun’s energy to food in a process called photosynthesis. What type of energy transformation is occurring?
a)
Solar to mechanical
b)
Solar to chemical
c)
Heat to chemical
d)
Radiation to heat
8.
The Law of Conservation of energy states that energy cannot be _____ or ______.
a)
Created; transformed
b)
Transformed; destroyed
c)
Created; destroyed
d)
Kinetic; potential
9.
Wrapping wire around an iron core and running an electric current through it creates a(n):
a)
Electric motor
b)
Generator
c)
Current
d)
Electromagnet
10.
A force of repulsion or attraction of magnetic materials is:
a)
Magnetism
b)
Magnetic Field
c)
An electric motor
d)
Gravity
11.
The device that produces an electric current when a coil of wire wrapped around an iron core is rotated near a magnet is a(n):
a)
Generator
b)
Electric motor
c)
Electromagnet
d)
Turbine
12.
Which of the following could be added to a circuit to transform electrical energy to heat, light and sound energy?
a)
An iron
b)
A television
c)
A light bulb
d)
A heater
13.
Which is the best description of how heat moves?
a)
From cooler areas to warmer areas.
b)
From warmer areas to cooler areas.
c)
In circular rotations.
d)
Along the shortest path.
14.
On A recent camping trip, Destiny was making smores by the campfire and was using a metal stick to roast the marshmallows. When she placed the stick in the fire, it became too hot to hold. What type of heat energy transfer was occurring?
a)
Conduction
b)
Convection
c)
Radiation
d)
Thermal
15.
Sebastion and his brother have bunk beds in their bedrooms. Sometimes Sebastion, in the upper bunk, gets much warmer than his brother in the lower bunk. What type of energy transfer does this illustrate?
a)
Conduction
b)
Convection
c)
Radiation
d)
Thermal
16.
The sun provides heat and light energy to Earth. How is the heat transmitted?
a)
Solar
b)
Conduction
c)
Radiation
d)
Convection
17.
To apply a force to an object over a distance and the object moving in response to the force is called:
a)
Effort
b)
Simple Machine
c)
Energy
d)
Work
18.
Which is the following is NOT evidence of energy?
a)
When a toy car is pushed and it moves down the track.
b)
When a ball is sitting on the ground.
c)
When a fan is connected to an electric circuit and moves.
d)
When an object is lifted.
19.
What unit is force measured in?
a)
Newtons
b)
Centimeters
c)
Grams
d)
Pounds
20.
A machine that consists of two or more simple machines is called a
a)
Complex machine
b)
Complicated machine
c)
Technology
d)
Dual machine
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