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WorksheetsM3 Science Supp Final Exam Review
Total questions: 40
Worksheet time: 20mins
What is the ability of objects or other matter to do work?
Action
Force
Reaction
Energy
Can energy be created?
Yes
No
Can energy be destroyed?
Yes
No
Can energy be converted into other forms?
Yes
No
What is an example of energy being converted?
Energy from the sun turns into chemical energy in plants
Electric energy turns to heat energy in a toaster
Chemical energy from food turns into energy for movement
All of the options
What is energy that is stored in an object and ready to be used?
Kinetic energy
Potential energy
Chemical energy
Mechanical energy
What is energy of motion?
Kinetic energy
Potential energy
Chemical energy
Solar energy
At which point is kinetic energy at its highest?
A
B
C
Both A and C
At which point is gravitational potential energy at its highest?
A
B
C
Both A and C
At which point is gravitational potential energy at its lowest?
A
B
C
Both A and C
What type of energy conversion is happening in this picture?
Mechanical to chemical
Chemical to mechanical
Light to electrical
Light to chemical
What type of energy conversion is happening in this picture?
Mechanical to electrical
Chemical to mechanical
Light to electrical
Chemical to light
Which represents potential energy?
A
B
Neither
Which represents kinetic energy?
A
B
Neither
A skier at the top of a mountain has greater:
Potential energy
Kinetic energy
A burning match has greater:
Potential energy
Kinetic energy
Gasoline in a storage tank has greater:
Potential energy
Kinetic energy
A compressed spring has greater:
Potential energy
Kinetic energy
Which law states:
An object acted on by an unbalanced force will accelerate in the direction of that force, in direct proportion to the strength of the force, and in inverse proportion to the mass of the object.
Newton's 2nd Law
Ohm's Law
Ampere's Law
Newton's 3rd Law
What is the formula for Newton's 2nd Law?
Force = mass x gravity
Force = weight x distance
Force = mass x acceleration
Force = mass / acceleration
An object with a mass of 2 kg accelerates 4 m/s2 when an unknown force is applied to it. What is the amount of the force?
2 N
4 N
8 N
12 N
An object with a mass of 5 kg accelerates 10 m/s2 when an unknown force is applied to it. What is the amount of the force?
2 N
5 N
25 N
50 N
An object accelerates 3 m/s2 when a force of 6 N is applied to it. What is the mass of the object?
2 kg
3 kg
6 kg
18 kg
An object accelerates 2 m/s2 when a force of 12 N is applied to it. What is the mass of the object?
2 kg
3 kg
6 kg
24 kg
An object with a mass of 9000 g has a force of 9 newtons applied to it. What is the resulting acceleration of the object?
0.0001 m/s2
1 m/s2
100 m/s2
27,000 m/s2
An object with a mass of 20 kg has a force of 500 newtons applied to it. What is the resulting acceleration of the object?
2.5 m/s2
5 m/s2
25 m/s2
10,000 m/s2
What is the unit for force?
kg
m
N
m/s2
What is the formula for electric power?
P = t / W
P = W / t
P = F / d
P = m x a
What are the units for electric power?
Second
Ampere
Joule
Watt
In the formula for electric power, W stands for:
Time
Weight
Electric energy
Current
Is the amount of electric energy used in a household always the same?
Yes
No
A machine uses 250 J of energy in 10 seconds. How much electric power is used?
0.25 W
25 W
50 W
2500 W
An air conditioner uses 2000 J of energy in 20 seconds. How much electric power is used?
10 W
20 W
100 W
4000 W
The electric power is 120 W and the time is 1 minute. How much electric energy is used?
2 J
120 J
240 J
7200 J
The electric power is 800 W and the time is 20 seconds. How much electric energy is used?
40 J
400 J
1600 J
3200 J
The electric power is 20 W and the electric energy is 200 J. How much time is taken?
1 second
10 seconds
1 minute
10 minutes
The electric power is 10 W and the electric energy is 1200 J. How much time is taken?
2 seconds
12,000 seconds
1 minute
2 minutes
In the formula for electric power, t stands for:
Time (in seconds)
Time (in minutes)
Temperature
Resistance
1 Watt =
1 m / s
1 N / m
1 s / J
1 J / s
Where is Teacher Kassi from? :)
Canada
England
USA
Poland
