Energy And Waves - Unit 2 Question Preview (ID: 61969)
Energy.
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The combination of potential and kinetic energy is called......
a) mechanical energy
b) sound energy
c) chemical energy
d) light energy
Which of the following is a conversion from CHEMICAL to THERMAL energy?
a) food is digested and used to regulate body temperature
b) coal is burned to boil water
c) charcoal is burned in a BBQ pit
d) All of these examples
Weight and Mass are the same thing
a) True
b) False
c)
d)
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
In science , the ability to do work is called........
a) force
b) energy
c) power
d) motion
A battery converts ______ energy into electrical energy for human use
a) chemical
b) sound
c) kinetic
d) light
The law of conservation states that energy cannot be created or _______
a) converted
b) changed
c) destroyed
d) declined
Potential or Kinetic? Going down the steepest hill on a rollercoaster
a) Potential
b) Kinetic
c)
d)
Energy is measured in ________ the same unit as work
a) joules
b) meters
c) liters
d) calories
Potential or Kinetic energy? Waiting at the start line at the beginning of a race .
a) Potential
b) Kinetic
c)
d)
Which would have the greatest Gravitational Potential Energy
a) a 4 lb backpack on a student's desk
b) a 45 lb child on a bicycle
c) a 45 lb animal in an oak tree
d) a 15 lb cat on a bathroom counter
The mass after a physical change, such as ice melting into water, stays the same
a) True
b) False
c)
d)
Gravitational Potential Energy depends on the ______ and ______ of an object
a) height, mass
b) mass, movement
c) height, friction
d) friction, movement
which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly
a) Chemical to Light
b) Electrical to Light
c) Electrical to Chemical
d) Chemical to Electrical
When the particles of a medium are vibrating perpendicular to the direction of the wave, it is called a ____ wave?
a) transverse
b) longitudinal
c) standing
d) electromagnetic
A wave that moves the medium parallel to the direction of the energy is a _____ wave?
a) transverse
b) longitudinal
c) standing
d) electromagnetic
A wave transfers ________.
a) energy
b) sound
c) water
d) particles
A solar panel converts light energy into?
a) mechanical energy
b) sound energy
c) chemical energy
d) electrical energy
Shooting an arrow from a bow converts _______ into kinetic energy
a) elastic potential energy
b) sound energy
c) chemical potential energy
d) nuclear potential energy
There are four palm trees that each have coconuts. Which coconut has the highest gravitational potential energy?
a) Coconut 1: 3 meters high
b) Coconut 2: 1 meter high
c) Coconut 3: 5 meters high
d) Coconut 4: 10 meters high
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