In what form can solar energy be used?
(a) Thermal energy
(b) Electrical energy
(c) Mechanical Energy
(d) All of above
What is (d) All of the above?
100
Energy in motion
What is kinetic?
200
stored up energy
What is potential energy?
200
a man standing on a roof
What is potential?
200
what energy transformation happens when you plug in a lamp?
What is electrical to chemical to radiant?
200
Which form of energy does the flowing water possess?
1.gravitational energy
2.potential energy
3.electrical energy
4.kinetic energy
What is 4. kinetic energy?
200
A Frisbee flying through the air
What is an example of kinetic energy?
300
A car in a garage
What is an example of potential energy?
300
a microwave
What is electrical or radiant energy?
300
What type of energy does a pillow sitting on a bed have?
What is potential?
300
The type of energy possessed by a simple pendulum
1.kinetic energy
2.potential energy
3.potential energy + kinetic energy
4.sound energy
What is 3. potential energy + kinetic energy?
300
the bottom of the tallest hill on a roller coaster.
What is the greatest kinetic?
400
Energy changing from kinetic to potential
What is transformed energy?
400
the type of energy that radiant energy is transformed into in photosynthesis
What is chemical?
400
What has more kinetic energy, a feather falling off a roof, a bucket falling off a roof or a piano falling off a roof?
What is a piano falling off a roof?
400
The law of conservation of energy is a statement that
A)energy must be conserved and you are breaking a law if you waste energy.
B)the supply of energy is limited so we must conserve.
C)the total amount of energy is constant.
D)energy cannot be used faster than it is created.
What is C) the total amount of energy is constant?
400
What would have the greatest kinetic energy?
A. car driving down a hill
B. person running down a hill
C. ball rolling down a hill
What is A. car driving down a hill?
500
At the bottom of a hill
What is the least potential?
500
rain falling down from the sky
What is kinetic energy?
500
Most energy comes to and leaves the earth in the form of
A)nuclear energy.
B)chemical energy
C)radiant energy.
D)kinetic energy.
What is radiant energy?
500
A stationary object may have
a. potential energy
b. velocity
c. kinetic energy
d. acceleration
What is a. potential energy?
500
What has the least kinetic energy?
A.A car
B.A satellite orbiting in space
C.An object that is not moving