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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
sound energy
C
chemical energy
D
mechanical energy
2) Which of the following is a conversion from CHEMICAL to THERMAL energy?
A
coal is burned to boil water
B
food is digested and used to regulate body temperature
C
All of these examples
D
charcoal is burned in a BBQ pit
3) Weight and Mass are the same thing
A
False
B
True
4) An object that has kinetic energy must be....
A
at rest
B
in motion
C
lifted above the Earth's surface
D
none of the above
5) In science , the ability to do work is called........
A
energy
B
motion
C
force
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
converted
C
changed
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
liters
B
joules
C
meters
D
calories
10) Potential or Kinetic energy? Waiting at the start line at the beginning of a race .
A
Potential
B
Kinetic
11) Which would have the greatest Gravitational Potential Energy
A
a 45 lb child on a bicycle
B
a 45 lb animal in an oak tree
C
a 4 lb backpack on a student's desk
D
a 15 lb cat on a bathroom counter
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
friction, movement
D
height, mass
14) which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly
A
Electrical to Chemical
B
Chemical to Electrical
C
Chemical to Light
D
Electrical to Light
15) When the particles of a medium are vibrating perpendicular to the direction of the wave, it is called a ____ wave?
A
transverse
B
standing
C
longitudinal
D
electromagnetic
16) A wave that moves the medium parallel to the direction of the energy is a _____ wave?
A
longitudinal
B
transverse
C
electromagnetic
D
standing
17) A wave transfers ________.
A
particles
B
energy
C
sound
D
water
18) A solar panel converts light energy into?
A
sound energy
B
electrical energy
C
mechanical energy
D
chemical energy
19) Shooting an arrow from a bow converts _______ into kinetic energy
A
nuclear potential energy
B
elastic potential energy
C
sound energy
D
chemical potential energy
20) There are four palm trees that each have coconuts. Which coconut has the highest gravitational potential energy?
A
Coconut 3: 5 meters high
B
Coconut 1: 3 meters high
C
Coconut 4: 10 meters high
D
Coconut 2: 1 meter high
*select an answer for all questions
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