Natural
Resources
Resources
Energy
Transformations
Transformations
Potential and
Kinetic Energy
Kinetic Energy
Thermal Energy
Force and
Motion
Motion
100
An energy source that can be easily replenished is called a _______________ resource.
renewable
100
The Law of Conservation of Energy states that energy cannot be _________ or ____________ .
created or destroyed
100
Which of the following is potential energy?
A.) a leaf hanging from an oak tree
B.) a student jumping rope in gym class
C.) A moving bicycle
D.) a leaf falling from the oak tree
A.) a leaf hanging from an oak tree
100
Name the type of heat transfer
conduction
100
A ________ is a push or a pull.
Un _____ es un empujón o un tirón
Force
200
What are the 3 fossil fuels?
Coal, Oil, Natural Gas
200
A computer monitor transforms electrical energy into what other types of energy? Provide 3
light, sound, and thermal energy
200
Kinetic energy is energy in _________ .
motion
200
Heat moves from _____ to _____.
Heat moves from HOT to COLD.
200
When 2 forces are moving in the same direction, you should _____ .
add
300
Which energy resource is nonrenewable?
A.) Biomass
B.) Wind
C.) Petroleum
D.) Geothermal
C.) Petroleum
300
Burning wood in your fireplace transforms ____________ energy to ___________ energy.
chemical energy to thermal energy (and light)
300
Which point has the most kinetic energy?
X
300
A material that easily allows heat and electricity to transfer.
Conductor
300
The net force must be ____ to be balanced.
0
400
Provide the definition of inexhaustible resources.
Resources that will never run out or can't be used up.
400
Provide the energy transformation of a flashlight.
_________ > ___________ > ____________
Chemical --> electrical --> light
400
The boulder falls over the edge of the cliff. As it falls, the amount of kinetic energy _____________ .
(increases or decreases)
increases
400
A lighted candle is placed in a wooden box that has two chimneys. Which of these pictures shows the correct way in which air moves in and out of the box?
D (Hot air rises, cool air sinks)
400
What is the net force? What direction will it move?
¿Cuál es la fuerza neta? ¿En qué dirección se moverá?
3N to the right
500
What is a disadvantage of using solar energy for electricity?
It only works if it is sunny.
500
A. Chemical energy to mechanical energy
500
Which statement is true?
A.) The car at point A has more KE than at point C.
B.) The car at point C has less KE than at point B.
C.) The car at point C has more KE than at point B.
B.) The car at point C has less KE than at point B.
500
The transfer of heat by the movement of currents within the fluid.
convection
500
F. The object will move to the right.