ENERGY
KINETIC ENERGY
POTENTIAL ENERGY
FORMS OF ENERGY
TRANSFORMATIONS
100
The ability to do work or cause change is _____.
ENERGY
100
What factors determine an objects kinetic energy?
a. height and mass
b. mass and speed
c. size and weight
d. speed and height
b. mass and speed
100
Gravitational potential energy depends on which of the following?
a. height and weight
b. mass and speed
c. size and weight
a. height and weight
100
light energy
radiant
100
When you speak into a cell phone, which energy transformation occurs?
a. chemical to radiant b. mechanical to chemical
c. sound to radiant d. thermal to sound
c. sound to radiant
200
________ is a property of matter
ENERGY
200
When a ball is thrown upward, where does it have the least kinetic energy?
at its highest point
200
Give an example when the gravitational energy between you and the Earth would be the greatest.
at the top of a hill
at the top of a roller coaster
other possible answers
200
kinetic energy plus potential energy
mechanical
200
Which type of energy is released when a firecracker explodes?
a. chemical c. electric
b. elastic d. nuclear
a. chemical
300
According to the law of conservation of energy, energy ________ be ________ or ______________.
cannot
created
destroyed
300
Kinetic energy is the energy of ________.
motion or movement
300
At which point is the gravitational potential energy at its maximum?
A
300
energy from the nucleus of an atom
nuclear
300
Solar panels convert radiant energy into _______.
electric energy or electricity
400
A bicyclist uses brakes to slow down. What stops the bike?
friction
400
At which point is the kinetic energy of the ball the greatest?
B
400
At which point on the roller coaster is the gravitational potential energy the greatest?
W
400
energy stored in the bonds of atoms
chemical
400
What energy transformation takes place when you turn on the radio?
electric to sound energy
500
The energy from the man is being transferred to the __________.
box
500
Car 1 has a mass of 1,200 kg with a speed of 20 m/s. Car 2 has a mass of 1,200 kg with a speed of 50 m/s. Which car has the most kinetic energy?
Car 2
500
What happens to the car's energy as it moves from point W to X?
the potential energy decreases and the kinetic energy increases
500
energy produced by the movement of electrons
electric energy
500
What energy transformation takes place in a microwave?
electric to radiant to thermal OR
electric to thermal OR electric to sound