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