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Energy And Waves - Unit 2
Test Description: Energy
Instructions: Answer all questions to get your test result.
1) The combination of potential and kinetic energy is called......
A
light energy
B
chemical energy
C
sound energy
D
mechanical energy
2) Which of the following is a conversion from CHEMICAL to THERMAL energy?
A
charcoal is burned in a BBQ pit
B
food is digested and used to regulate body temperature
C
All of these examples
D
coal is burned to boil water
3) Weight and Mass are the same thing
A
False
B
True
4) An object that has kinetic energy must be....
A
in motion
B
none of the above
C
lifted above the Earth's surface
D
at rest
5) In science , the ability to do work is called........
A
motion
B
force
C
energy
D
power
6) A battery converts ______ energy into electrical energy for human use
A
light
B
sound
C
chemical
D
kinetic
7) The law of conservation states that energy cannot be created or _______
A
destroyed
B
changed
C
converted
D
declined
8) Potential or Kinetic? Going down the steepest hill on a rollercoaster
A
Kinetic
B
Potential
9) Energy is measured in ________ the same unit as work
A
calories
B
joules
C
meters
D
liters
10) Potential or Kinetic energy? Waiting at the start line at the beginning of a race .
A
Kinetic
B
Potential
11) Which would have the greatest Gravitational Potential Energy
A
a 45 lb animal in an oak tree
B
a 45 lb child on a bicycle
C
a 15 lb cat on a bathroom counter
D
a 4 lb backpack on a student's desk
12) The mass after a physical change, such as ice melting into water, stays the same
A
True
B
False
13) Gravitational Potential Energy depends on the ______ and ______ of an object
A
height, friction
B
mass, movement
C
height, mass
D
friction, movement
14) which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly
A
Electrical to Light
B
Chemical to Electrical
C
Electrical to Chemical
D
Chemical to Light
15) When the particles of a medium are vibrating perpendicular to the direction of the wave, it is called a ____ wave?
A
longitudinal
B
electromagnetic
C
transverse
D
standing
16) A wave that moves the medium parallel to the direction of the energy is a _____ wave?
A
standing
B
electromagnetic
C
transverse
D
longitudinal
17) A wave transfers ________.
A
sound
B
water
C
energy
D
particles
18) A solar panel converts light energy into?
A
electrical energy
B
chemical energy
C
sound energy
D
mechanical energy
19) Shooting an arrow from a bow converts _______ into kinetic energy
A
elastic potential energy
B
chemical potential energy
C
nuclear potential energy
D
sound energy
20) There are four palm trees that each have coconuts. Which coconut has the highest gravitational potential energy?
A
Coconut 4: 10 meters high
B
Coconut 1: 3 meters high
C
Coconut 3: 5 meters high
D
Coconut 2: 1 meter high
*select an answer for all questions
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