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Year 9 Energy Intervention Quiz

Total questions: 25

Worksheet time: 28mins

Name
Class
Date
1.
At what position does the pendulum have the greatest gravitational potential energy?
a)
Position D
b)
Position C
c)
Position B
2.
At what position does the pendulum have the greatest kinetic energy?
a)
Position D
b)
Position C
c)
Position B
3.
Which character has the greatest gravitational potential energy?
a)
Character A
b)
Character B
c)
Character C
d)
Character D
4.
Which skier has the greatest kinetic energy?
a)
Skier A
b)
Skier B
c)
Skier C
d)
Skier D
5.

What is potential energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

non renewable energy

6.

Two factors that determine work are

a)

force

b)

acceleration

c)

mass

d)

distance

e)

velocity

7.

units of force are

a)

newtons

b)

grams

c)

joules

d)

meters

8.

units for work are

a)

newtons

b)

joules

c)

meters

d)

seconds

9.

if you push a cart with a force of 60 N for 2 m... how much work have you done

a)

120 J

b)

30 J

c)

120 N

d)

30 N

10.
What is the formula for work?
a)
Force = work x distance
b)
Distance = force x work
c)
Work = force x distance
d)
Work = force x mass
11.

At which point of the roller coaster is potential energy the greatest?

a)

W

b)

X

c)

Y

d)

Z

12.

The faster an object moves, the ________ kinetic energy it has.

a)

more

b)

less

13.

Solar photovoltaic panels on homes and other building areas create ?

a)

Heat energy

b)

Polaroids

c)

Electrical energy

14.
The law of conservation of energy states that when one form of energy is converted into another,
a)
energy is destroyed in the process
b)
no energy is destroyed in the process
c)
energy is created in the process
d)
some amount of energy cannot be accounted for
15.

Heat energy is also called ______ energy.

a)

chemical

b)

electrical

c)

mechanical

d)

thermal

16.
To increase the EFFICIENCY of energy use, we could...
a)
Turn off lights when not in use
b)
Keep the car running as you go into the store
c)
Water the plants in a drought
17.
Efficiency is...
a)
The percentage of energy that is actually used to do work
b)
The stuff in the walls that keeps energy in
18.
Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
a)
Chemical to light
b)
Electrical to chemical
c)
Electrical to light
d)
Chemical to electrical
19.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
20.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
21.
In energy transformations, "wasted energy" usually takes what form?
a)
heat
b)
chemical energy
c)
light
d)
sound waves
22.
Which of these is a measurement of power?
a)
100 joules
b)
100 watts
c)
100 meters per second
d)
100 hertz
23.
What is the equation for calculating power?
a)
distance / time
b)
work x time
c)
work / time
d)
force x distance
24.
A 500N block is lifted 10 m. How much work was done?
a)
5000 J
b)
500 J
c)
50 J
d)
5 J
25.

Two workers use 100 N of force to move a sofa 2 meters in 2 seconds. How much power is required?

a)

100 watts

b)

400 watts

c)

104 watts

d)

50 watts

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