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Energy Test #3 Review
Test Description: Use your entire set of notes to complete.
Instructions: Answer all questions to get your test result.
1) What type of energy transformations happen when you eat food?
A
chemical to solar
B
chemical to mechanical
C
thermal to chemical
D
mechanical to chemical
2) What type of energy transformations happen when you turn a ceiling fan on?
A
electrical to mechanical
B
radiant to electrical
C
chemical to radiant
D
chemical to electrical
3) A stretched rubber band is released. Name the energy transformations.
A
kinetic to potential
B
potential to kinetic
C
kinetic to heat
D
chemical to heat
4) A water bottle sitting on the edge of a table has what type of energy?
A
potential because it could fall due to gravity
B
potential because it is not moving at this time
C
kinetic because it can be moved
D
kinetic because it is heavy
5) I rolled my garbage can to the curb. What best describes what I did?
A
I could use less energy if I rolled the can faster to the curb
B
I used energy to roll the garbage can to the curb
C
I did not do any work because the can rolled on its wheels
D
I used potential energy to roll the garbage can
6) Solar energy is from the
A
Earth's core
B
plants
C
sun
D
Earth's atmosphere
7) Which statement best describes shooting an arrow with a bow?
A
The drawstring of the bow has kinetic energy
B
The flying arrow has kinetic energy
C
Stretching the drawstring on the bow does not require work
D
The arrow loses energy
8) Eddie knocks a book on the floor and it makes a loud noise. What do we know about the energy in this example?
A
Energy is destroyed once the book hits the floor
B
Energy is only created when the book falls
C
There is no change in the form of energy
D
Energy is changed from one form to another
9) Energy due to position is called
A
mechanical kinetic
B
electrical
C
heat
D
mechanical potential
10) Which of the following scenarios would have the most kinetic energy?
A
A book falling from a top locker
B
A book falling from ar chair
C
A book falling from a book bag near the floor
D
A book falling a desk
11) Mary is riding a roller coaster. Which statement is true about the car when it is at the top of the hill?
A
It has kinetic energy only
B
It has neither potential nor kinetic energy
C
It has both potential and kinetic energy
D
It has potential energy only
12) Which statement is true about a simple machine?
A
It decreases the amount of force needed for work to be done
B
It decreases the amount of work to be done
C
It shortens the distance of work to be done
D
It increases the amount of force needed for work to be done
13) A property that enables something to do work is called ______________.
A
kinetic
B
potential
C
energy
D
force
14) Which object contains a pulley?
A
can opener
B
staircase
C
doorknob
D
window blinds
15) Which of the following pulleys is most efficient?
A
a single fixed pulley with a long rope
B
one with three wheels and a long rope (includes fixed and movable)
C
one with two wheels and a long rope (includes fixed and movable)
D
one with one wheel and a short rope
16) Barbara is going to use a lever to move a rock. Which lever would be most efficient?
A
a short lever with the fulcrum near her hands (effort)
B
a long lever with the fulcrum near the rock (load)
C
a long lever with the fulcrum near her hands (effort)
D
a short lever with the fulcrum near the rock (load)
17) What could Mrs. Hall do to make an inclined plane more efficient?
A
increase the length and decrease the height of the inclined plane
B
decrease the length and decrease the height of the inclined plane
C
decrease the length and increase the height of the inclined plane
D
increase the length and increase the height of the inclined plane
18) Which global wind belt influences weather near the equator?
A
Polar Easterlies
B
Westerlies
C
Polar Westerlies
D
Trade Winds
19) The barometric pressure in Ladson is rising steadily. What weather conditions are associated with high pressure?
A
blizzard
B
fair weather
C
thunderstorms
D
hurricane
20) Name the front: cold air slides under warm air, pushing the warm air up, possible leading to severe weather.
A
warm
B
stationary
C
occluding
D
cold
*select an answer for all questions
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