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Energy
Test Description: Covers the law of conservation of energy and PE/ KE
Instructions: Answer all questions to get your test result.
1) Mechanical energy is converted to electrical energy by......
A
electrical generators
B
photosynthesis
C
radiometers
D
elastic potential energy
2) What kind of energy do your legs transfer to the pedals when you ride your bike?
A
kinetic energy
B
chemical energy
C
electrical energy
D
potential energy
3) Which energy is caused by an objects vibrations?
A
chemical energy
B
thermal energy
C
sound energy
D
electrical energy
4) What is the ability to do work?
A
force
B
power
C
energy
D
movement
5) When you wind up a rubberband on a toy airplane, what type of energy does the rubber band have?
A
elastic potential energy
B
thermal energy
C
kinetic energy
D
mechanical energy
6) As a baseball flies through the air after being hit, what type of energy does it have?
A
chemical energy
B
mechanical energy
C
potential energy
D
kinetic energy
7) Kinetic energy is a measured in......?
A
joules
B
newtons
C
watts
D
volts
8) When a bat hits a baseball what is transferred from the bat to the ball?
A
force
B
electrical energy
C
energy
D
work
9) What do you call the energy of motion?
A
mechanical energy
B
kinetic energy
C
force
D
potential energy
10) If a monkey climbs to the top of a tree it increases its PE, what if it climbs halfway down??
A
PE stays the same
B
PE would be half what it was at the top
C
PE would be 3/4 what it was at the top
D
PE would double
11) When you eat, what type of energy are you taking in?
A
sound
B
electrical
C
thermal
D
chemical
12) Energy can be manifested as which of the following?
A
sound energy
B
all of the other choices
C
light energy
D
electrical energy
13) What do you call a change from one form of energy to another?
A
transformers
B
energy change
C
energy conversions
D
conversion of power
14) What type of energy comes from the atom's nucleus?
A
nuclear energy
B
thermal energy
C
light energy
D
chemical energy
15) When you combine PE and KE you get.....
A
mechanical energy
B
sound energy
C
thermal energy
D
electrical energy
16) Which of the following is a conversion from PE to KE
A
turning on the stove for dinner
B
a sled sitting at the top of a hill that starts to slide down the hill
C
growing an apple tree
D
turning on a lamp
17) In a hair dyer, electrical energy is changed into what kind of energy to dry your hair?
A
thermal
B
nuclear
C
chemical
D
light
18) What happens to the potential energy of a rock as it falls off the side of a cliff?
A
PE decreases and KE increases
B
KE decreases and PE increases
C
KE decreases as PE decreases
D
PE decreases and KE is lost
19) Energy that happens due to an objects position (think high dive)
A
sound
B
electrical
C
potential
D
kinetic
20) When in the half pipe will the KE and PE be equal?
A
1/2 of the way down
B
3/4 of the way down
C
at the bottom
D
1/4 of the way down
*select an answer for all questions
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