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WorksheetsEnergy
Total questions: 20
Worksheet time: 1hrs 19mins
Name
Class
Date
1.
Light bends when it is
a)
refracted
b)
reflected
c)
absorbed
2.
The ultimate source of energy is:
a)
Chocolate
b)
The sun
c)
Plants
d)
Movement
3.
Smooth, shiny surfaces
a)
reflect
b)
refract
c)
absorb
4.
A prism causes light to
a)
bounce
b)
bend
c)
stop
5.
Electrical energy is transferred to _____ energy in an oven.
a)
Thermal
b)
Light
c)
Electrical
d)
Mechanical
6.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
solar
b)
light
c)
thermal
d)
mechanical
7.
What would be an example of this flow chart:
Electrical -> Mechanical -> Sound
Electrical -> Mechanical -> Sound
a)
A triple beam balance measuring an object’s mass
b)
An electric pencil sharpener
c)
A projector displaying an image on the screen
d)
A working flashlight used to light up a dark path
8.
What technology uses convex lenses?
a)
Hand lenses
b)
Camera lenses
c)
Telescopes
d)
All of the above
9.
Which material would NOT make a good baking pan for chocolate chip cookies?
a)
aluminum
b)
wood
c)
steel
d)
glass
10.
Silver, copper, and aluminum are good examples of ______.
a)
thermal insulators
b)
thermal energy sources
c)
thermal conductors
d)
solar radiation
11.
Insulation is used in the walls of a building to ____.
a)
trap solar energy
b)
keep thermal energy from moving through the walls
c)
conduct thermal energy
d)
absorb light hitting the walls
12.
On a hot summer day, which shirt would you put on to make sure you stay cool while you are outside playing?
a)
A black shirt because it reflects the sun's energy.
b)
A white shirt because it reflects the sun's energy.
c)
A black shirt because it absorbs the sun's energy.
d)
A white shirt because it refracts the sun's energy.
13.
Why does it take longer to heat water in a swimming pool than the air on the porch?
a)
The water reflects some light energy thus transferring less heat.
b)
The pool's surface absorbs most of the heat.
c)
The porch has a screen around it to reflect light.
d)
The people who swim in the pool absorb the sun's heat.
14.
The air conditioner system in your house works as a result of the transfer of ______ energy.
a)
mechanical
b)
light
c)
electrical
d)
sound
15.
Which of the following is NOT a way to use light energy?
a)
reflectors on roads
b)
microscopes
c)
fiber optics
d)
smoke detectors
16.
What kind of energy is the intended use (purpose) of this device?
a)
Light
b)
Electrical
c)
Thermal
d)
Chemical
17.
A rainbow occurs when light is
a)
reflected
b)
refracted
c)
absorbed
18.
Why does a guitar have so many pitches?
a)
The strings are made of various materials.
b)
The guitarist can play with more or less energy.
c)
The strings each have a different thickness.
d)
The wood insulates some sounds.
19.
Which of the following statements about sound is NOT true?
a)
You can hear due to vibrations on your eardrum.
b)
Higher volume is due to using less energy.
c)
Volume is measured in decibels.
d)
Sound waves can be used in devices for safety.
20.
How can sound be made?
a)
Blowing air through a hole.
b)
Rubbing 2 objects together.
c)
Hitting 2 solids together.
d)
All of the above.
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