NEW
Font size
S
M
L
XL
WorksheetsMELTS
Total questions: 21
Worksheet time: 2hrs 41mins
Name
Class
Date
1.
Energy produced by vibrations.
a)
mechanical
b)
sound
c)
light
d)
thermal
2.
Which of the following uses electricity for energy?
a)
a windmill
b)
a street light
c)
a solar cooker
d)
a wind-up toy
3.
Which of the following uses electricity for energy?
a)
a windmill
b)
a street light
c)
a solar cooker
d)
a wind-up toy
4.
What is the difference between refraction and reflection?
a)
light bends when it is reflected and bounces off when it is refreacted
b)
light bounces off when it is reflected and bends when it is refracted
c)
light travels in curved lines when it is reflected and straight lines when it is refreacted
d)
when light is refracted it no longer travels
5.
Which of the following best uses mechanical energy to perform a useful task?
a)
flashlight
b)
pencil sharpener
c)
candle
d)
solar calculator
6.
Energy produced from burning coal.
a)
sound
b)
mechanical
c)
electrical
d)
thermal
7.
Daniel has chores to do around the house. I which of his chores does he use thermal energy?
a)
Cook eggs for breakfast
b)
oil a squeaky door hinge
c)
sweep the back porch
d)
dig weeds in the garden
8.
Students decided to explore thermal energy used in the classroom. Which instrument should the students use?
a)
microscope
b)
thermometer
c)
timer
d)
graduated cylinder
9.
Which motion causes a flag to be raised or lowered from a flagpole?
a)
Back and forth motion
b)
push and pull motion
c)
magnetic attraction
d)
rubbing together of surfaces
10.
Which statement correctly explains why you see the bear upside sown in the picture?
a)
light is refracted by the water, creating an image of the bear
b)
light is absorbed by the mirror, creating the image of the bear
c)
light is being reflected by the water, creating and image of the bear
d)
light is conducted by the water creating an image of the bear
11.
If there is a book setting on a bookshelf, what kind of energy does it have?
a)
chemical
b)
electrical
c)
kinetic
d)
potential
12.
Energy of motion.
a)
sound
b)
light
c)
mechanical
d)
electrical
13.
If you were building a circuit, why would you use copper and not rubber to send electricity through the circuit?
a)
copper is a better insulator
b)
rubber is a better conductor
c)
copper is an insulator, but rubber is a conductor
d)
copper is a conductor, but rubber is an insulator
14.
Energy that travels in a straight line.
a)
thermal
b)
light
c)
sound
d)
mechanical
15.
Why is it appropriate to use plastic or rubber as materials to cover electric plugs ans outlets?
a)
these forms of matter conduct electrical energy
b)
these forms of matter insulate electrical energy
c)
these forms of matter produce electrical energy
d)
these forms of matter produce light and heat energy
16.
Energy of heat
a)
light
b)
thermal
c)
mechanical
d)
sound
17.
Which of the following produces mechanical energy?
a)
outlet plug
b)
flashlight
c)
burning campfire
d)
riding a skateboard
18.
What do a camera, magnifying glass, and a glasses have in common?
a)
they reflect light
b)
they refract light
c)
they are conductors
d)
they make things smaller
19.
Which is NOT an example of the use of sound energy?
a)
beating a drum
b)
talking
c)
playing music on the radio
d)
cooking hot dogs
20.
What type of energy is generated when a doorbell rings?
a)
Light
b)
Thermal
c)
Sound
d)
Solar
21.
Why dose the straw look bent?
a)
the light is traslucent
b)
the light is being reflected
c)
the light is being refracted
d)
the straw is opaque
Reset
