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Force Motion And Energy
Test Description: Force motion and energy end of the year exam
Instructions: Answer all questions to get your test result.
1) How can you tell that work has been done on an object?
A
the object moves position
B
the object exerts an equal and opposite force
C
the object has experience a force
D
the object stays in the same position
2) Which of the following demonstrates forces that change the motion of an object?
A
a rock rest on the ground
B
a girl dreams as she sleeps
C
a boy stares out a window
D
a seedling emerges from the soil.
3) What distinguishes energy from force and work
A
energy is the ability to do work
B
energy is the measure of how much force is applied to an object
C
energy is a push or a pull
D
energy is the transfer of force that causes and object to move
4) In order for an organism to move, which of the following energy transformations must happen in its cells
A
light energy is transformed into chemical energy
B
mechanical energy is transformed into solar energy
C
chemical energy is transformed into kinetic energy
D
Sound energy is transformed into light energy
5) A man pushes a box with great force. the box does not move. What can you conclude?
A
the box did not move, so work was not done
B
energy was expended, so work was done
C
the bow was only lifted off the ground, so work was not done
D
a force was used, so work was done
6) Which of the following consumers is a herbivore?
A
horse
B
vulture
C
cat
D
human
7) What is energy?
A
the ability to do work
B
anything that has mass
C
the ability to conduct current
D
anything that takes up space
8) Which of the following is NOT a form of Potential energy?
A
Electrons moving in a wire
B
chemical bonds in gasoline
C
chemical bonds in food
D
an object at the top of a hill
9) What energy transformation happens when you lift a box from the floor to a shelf
A
Potential energy is transformed into light energy
B
Kinetic energy is transformed into chemical energy
C
kinetic energy is transformed into potential energy
D
Potential energy is transformed into Kinetic energy
10) Which of these energy Conversions occurs when a deer runs through a forest
A
chemical to heat
B
sound to light
C
kinetic to electrical
D
heat to light
11) You are racing a cart down the hallway. If you go 10 meters in 5 seconds, what is your speed? (Remember speed equals distance divided by time.)
A
2 m/s
B
55 m/s
C
2 miles/hour
D
50 m/s
12) Ms. Parks can run 50 yards in 10 seconds and Ms. Briscoe can run 100 yards in 20 seconds. Who has a faster speed? (Remember speed equals distance divided by time.)
A
Ms. Parks has a faster speed
B
Ms. Jones is faster than both of them
C
They both have the same speed
D
Ms. Briscoe has a faster speed
13) the force that pulls falling objects toward Earth is called
A
Gravity
B
Gravitational potential energy
C
Free fall
D
Acceleration
14) In Science a pull or a pull is called a(n)
A
Inertia
B
Acceleration
C
Force
D
Speed
15) A net force (an unbalanced force that changes motion) causes an object to
A
accelerate (speed up) or decelerate (slow down)
B
not move
C
stay at the same speed
16) You are racing a mini car 144 miles in 12 hours what is the car's speed?
A
22 miles/hour
B
22 m/s
C
12 miles/hour
D
12 m/s
17) Amy uses 20N of force to push a lawnmower 10 meters. How much work is done?
A
20N
B
20 J
C
200 m/s
D
200 J
18) Energy is measured in
A
acceleration
B
mass
C
joules
D
work
19) All are examples of Potential energy EXCEPT for
A
Gravitational
B
Chemical
C
Elastic
D
Motion
20) What type of energy is stored in gasoline
A
electrical energy
B
Mechanical energy
C
Chemical energy
D
Nuclear energy
*select an answer for all questions
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