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Energy - class 7

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

The unit for energy is

a)

joules J

b)

newtons N

c)

kilograms kg

d)

meters per second m/s

e)

Ns

2.

Where does the skater have the MOST Gravitational Potential Energy?

a)

B

b)

D

c)

F

d)

G

e)

All of the above

3.

Where does the skater have the MOST Kinetic Energy?

a)

B

b)

D

c)

F

d)

G

e)

All of the above

4.

Vihaan used pencils to hit the table and make a drum beat. Which form of energy do the pencils hitting the table produce?

a)

Heat Energy

b)

Light Energy

c)

Sound Energy

d)

Electrical Energy

5.

Energy can be used to change the properties of a substance. Which of the following is an example of electrical energy causing change to an object?

a)

The sun causing a sunburn

b)

A pie baking in the oven

c)

Roasting marshmallows over a campfire

d)

Glasses fogging up

6.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
7.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
8.
Wind turbines and windmills convert what energy to another?
a)
Kinetic to electric
b)
Gravitational potential to electric
c)
Mechanical to potential
d)
Thermal to sound
9.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
10.
Energy that is stored in bonds between atoms is:
a)
Mechanical energy
b)
Chemical energy
c)
Kinetic energy
d)
Nuclear energy
11.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
12.
What is the energy of position or shape that depends on weight and height, also called stored energy?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Sound energy
13.

Which statement is true about energy?

a)

Energy never moves

b)

Energy is never destroyed

c)

Energy always changes to heat

d)

Energy always changed to light

14.
What is energy?
a)
It is measured in watts
b)
It is power
c)
It is the ability to do work
d)
It is fluid motion
15.
What are energy and work measured in?
a)
Joule
b)
Watt
c)
Birds
d)
Newton
16.
A rock at the edge of a cliff.
a)
Potential
b)
Kinetic
c)
Both
17.
What do we call a change from one form of energy to another?
a)
Energy formation
b)
Energy conversion
c)
Energy swapping
d)
Energy transformers
18.
This spring has been compressed. What happened to its elastic potential energy?
a)
more elastic potential energy
b)
less elastic potential energy
c)
the same amount of elastic potential energy
19.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high. 
20.
A student touches a metal sink with her finger and notices that her finger feels cold.  Which of the following statements explains this observations?
a)
Heat energy flows from the student's finger to the metal.
b)
Heat energy flows from the metal sink to the student's finger.
c)
The student's finger was originally at the same temperature as the sink.

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