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WorksheetsEnergy SLO Review
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
Food is an example of what kind of potential energy?
a)
electrical
b)
mechanical
c)
light
d)
chemical
2.
Stored energy is also known as _________ energy.
a)
kinetic
b)
potential
c)
solar
d)
sound
3.
What type of energy is associated with the motion of particles in a substance?
a)
heat
b)
solar
c)
chemical
d)
light
4.
Energy that flows through an electrical circuit is _____________ energy.
a)
chemical
b)
electrical
c)
heat
d)
solar
5.
What is this device?
a)
electromagnet
b)
circuit
c)
generator
d)
electric motor
6.
Most of the energy we use on Earth originally came from ___________.
a)
the center of the earth
b)
the equator
c)
the sun
d)
the moon
7.
The Law of _________ states that energy cannot be created or destroyed, but only changed from one form to another.
a)
Energy Production
b)
First Energy
c)
Conservation of Resources
d)
Conservation of Energy
8.
When you stretch a rubber band, you are storing ___ energy.
a)
mechanical
b)
electrical
c)
solar
d)
chemical
9.
A falling rock has kinetic energy. Where does that kinetic energy go when it hits the ground and stops?
a)
It is reduced until it disappears.
b)
It is converted into potential energy again.
c)
It is converted into heat and sound.
d)
It is converted into matter.
10.
What kind of energy transformation takes place in a solar cell?
a)
solar energy to electrical energy
b)
solar energy to sound energy
c)
chemical energy to mechanical energy
d)
electrical energy to solar energy
11.
What are the energy transformations taking place from the batteries to the flashlight when it is on?
a)
heat to magnetic to light
b)
chemical to magnetic to light
c)
mechanical to electrical to light
d)
chemical to electrical to light
12.
When it is plugged into a wall outlet, the clock lights up with a time display. What kind of energy transformation takes place?
a)
chemical energy to light energy
b)
electrical energy to mechanical energy
c)
electrical energy to light energy
d)
mechanical energy to chemical energy
13.
What type of energy transformation occurs in a toaster?
a)
chemical to electrical
b)
electrical to heat
c)
sound to chemical
d)
electrical to solar
14.
What is formed when a wire in an electric circuit is wrapped around an iron core producing a magnetic field?
a)
electromagnet
b)
circuit
c)
series
d)
parallel
15.
What is the above device that changes electrical energy to mechanical energy?
a)
electromagnet
b)
circuit
c)
generator
d)
electric motor
16.
What is a difference between a simple electric motor and a generator?
a)
Simple electric motors have spinning parts while generators do not.
b)
Generators produce electric energy while simple electric motors use electric energy.
c)
Generators have spinning parts while simple electric motors do not.
d)
Simple electric motors produce electric energy while generators use electric energy.
17.
This generator changes __________energy to _______ energy when the handle is cranked.
(p.s. sing the song or you will get it wrong!)
(p.s. sing the song or you will get it wrong!)
a)
mechanical, light
b)
electrical, light
c)
mechanical, electrical
d)
electrical, mechanical
18.
Marcos has a new toy. When he plugs it in and turns it on, a marble is carried up to the top of a slide. At the top, the marble is released and it goes down the slide. What kind of energy transformation occurs to make this toy work?
a)
chemical to heat
b)
electrical to chemical
c)
sound to electrical
d)
electrical to mechanical
19.
What happens when ice cubes melt in a glass?
a)
Heat travels from the ice to the warmer water.
b)
No energy is transferred.
c)
Heat is transferred from the warmer water to the ice cubes.
d)
The water warms up due to the humidity.
20.
A boy sits to the side of a campfire. He is 4 feet away, but still feels warm. What type of heat transfer is the boy experiencing?
a)
conduction
b)
convection
c)
radiation
d)
reflection
21.
A girl lays out at the beach to get a sun tan. What type of heat transfer is the girl experiencing?
a)
conduction
b)
convection
c)
radiation
d)
reflection
22.
If you leave a metal spoon in a pot on the hot stove the spoon gets hot too. This is an example of _______________________.
a)
conduction
b)
convection
c)
radiation
d)
reflection
23.
What happens when you hold a mug of hot chocolate?
a)
Heat travels from the hot cocoa in the cup to your hands.
b)
No energy is transferred.
c)
Heat is transferred from your hands to the hot cocoa in the cup.
d)
Energy is created.
24.
The see-saw shown below allows for two children to alternate going up and down because of which simple machine?
a)
lever
b)
wheel and axle
c)
screw
d)
inclined plane
25.
Ms. Cook lives on the 6th floor of her apartment building. Everyone hangs their washing on a rope between her building and the next building. Which simple machine will Ms. Cook use to move her socks closer to her window?
a)
wedge
b)
a wheel and axle
c)
a pulley
d)
a lever
26.
Which simple machine is used to raise or lower the flag?
a)
lever
b)
fixed pulley
c)
screw
d)
moveable pulley
27.
Which of the following statements describes the job of simple machines?
a)
Simple machines increase the amount of work done.
b)
Simple machines increase the amount of force needed.
c)
Simple machines decrease the amount of work done
d)
Simple machines decrease the amount of force needed.
28.
What must happen for an action to be considered work?
a)
force applied and energy created
b)
force applied and a distance moved
c)
force applied and matter destroyed
d)
force applied and mass increased
29.
When a force moves an object, the action is called ___________.
a)
energy
b)
work
c)
force
d)
mechanical advantage
30.
Sally and Juan’s science teacher has challenged her students to build a paper airplane that would stay airborne for ninety seconds. The students have two days to design and test their planes. The assignment will end with a "fly-off."The teacher has given the students the problem. What should be the next step?
a)
build the model airplane
b)
test the model airplane
c)
design the model airplane
d)
generate and communicate ideas for potential airplane designs
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