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