Forms of Energy
PE/KE Transformations
Mass/Speed and KE
Heat Transfer
Convection
100
Which statement is true regarding kinetic and potential energy?
A: Both kinetic energy and potential energy rely on motion
B: Both kinetic and potential energy are stored energy.
C: Potential energy relies on motion, while kinetic energy is stored energy.
D: Kinetic energy relies on motion, while potential energy is stored energy.
D: Kinetic energy relies on motion, while potential energy is stored energy.
100
True or False: The total amount of energy decreases as the rollercoaster makes its way through the track.
False
100
Which size marble will have the greatest kinetic energy when it reaches the bottom of the ramp? 
A: 2 g
B: 3 g
C: 5 g
D: 6 g
D: 6 g
100
Which TWO processes of heat transfer causes this variation?
A: conduction
B: convection
C: emission
D: radiation
A: conduction
100
True or False: the following diagram shows how air flows in a convection current
False
200
A student ignites and matchstick and observes that the burning of the matchstick produces heat and light energy. What is the source of heat and light energy produced by the matchstick?
A: chemical energy
B: mechanical energy
C: solar energy
D: thermal energy
A: chemical energy
200
At which point is there maximum KE/minimum PE?
2
200
Which statement correctly explains the differences in the distance that the balls rolled?
A: Friction increased as mass increased
B: Velocity increased as mass increased
C: Acceleration increased as mass increased
D: Kinetic energy increased as mass increased
D: Kinetic energy increased as mass increased
200
Which of the following scenarios is NOT an example of heat transfer through radiation.
A: A marshmallow roasting over a fire
B: An ice cream cone melting in the sun
C: A heater warming up a room
D: A heat lamp melting a piece of chocolate
C: A heater warming up a room
200
As the air on the surface of earth warms, what happens to its density?
A: It decreases
B: It increases
C: It remains constant
D: It decreases, then increases
A: It decreases
300
When the box opens, a clown comes out by the movement of the spring and and produces a laughing sound by using the energy stored in the battery.
Which type of potential energy does the spring and battery have?
A: The spring has elastic PE; the battery has chemical PE
B: The spring has GPE; the battery has elastic PE
C: The spring has chemical PE; the battery has elastic PE
D: The spring has chemical PE; the battery has GPE
A: The spring has elastic PE; the battery has chemical PE
300
Which energy transformation occurs as he swings from position 2 to position 3?
A: Potential to kinetic
B: Kinetic to potential
C: Chemical to kinetic
D: Thermal to potential
B: Kinetic to potential
300
Which object has the MOST kinetic Energy?
Object 4
300
Zakiya gently places a few red food coloring crystals at the bottom of a glass beaker filled with water. As she heats the beaker, she observes that the red color rises up. What causes the color to spread?
A: emissions caused by the heat
B: convection currents in the water
C: radiation caused by the flame
D: conduction in the glass beaker
B: convection currents in the water
300
Why are atmospheric (wind) cells circular in shape?
A: Warm air rises where the sun's rays are the strongest, and falls after cooling in the atmosphere
B: Cool air rises where the sun's rays are the strongest, and falls after warming in the atmosphere
C: Warm air rises where the sun's rays are the weakest, and falls after cooling in the atmosphere
D: Cool air rises where the sun's rays are the weakest, and falls after warming in the atmosphere
A: Warm air rises where the sun's rays are the strongest, and falls after cooling in the atmosphere
400
At which position on the track does the rollercoaster have the LEAST potential energy
A: P
B: Q
C: R
D: S
C: R
400
Which energy transformation occurs?
A: KE is transformed to PE from from P to Q
B: KE is transformed to PE from Q to R
C: PE is transformed to KE from Q to R
D: PE is transformed to KE from Q to P.
B: KE is transformed to PE from Q to R
400
Based on the data, which statement describes the relationship between speed and kinetic energy.
A: As speed increases, kinetic energy decreases
B: As speed decreases, kinetic energy increases
C: As speed increases, kinetic energy increases
D: As speed increases, kinetic energy remains the same.
C: As speed increases, kinetic energy increases
400
Which kinds of heat transfer do these images demonstrate?
A: Image 1: convection; Image 2: radiation
B: Image 1: convection; Image 2: conduction
C: Image 1: conduction; Image 2: radiation
D: Image 1: conduction; Image 2: convection
A: Image 1: convection; Image 2: radiation
400
How are air temperature, density, and the movement of air related?
A: Cold air is more dense the warm air, so it rises to create a conduction cell.
B: Cold air is less dense than warm air, so it sinks to create a convection cell
C: Warm air is less dense than cold air, so it rises to create a convection cell
D: Warm air is more dense than cold air, so it sinks to create a conduction cell
C: Warm air is less dense than cold air, so it rises to create a convection cell
500
Which statement is the BEST conclusion based on the data collected?
A: The more the rubber band is stretched, the greater distance it travels
B: The less the rubber band is stretched, the greater distance it travels
C: The length the rubber band is stretched is equal to half the distance is travels
D: The length the rubber band is stretched does not influence the distance it travels
A: The more the rubber band is stretched, the greater distance it travels
500
According to the diagram, which of the following is a TRUE statement.
A. The sum of KE and PE is equal to zero at all three locations
B. The amount of PE lost is equal to the amount of KE gained as the marble moves from position 1 -> 2.
C. The amount of KE possessed by the marble is the same in all three positions along the path
D. The PE of of the marble at position 2 is equal to its PE at position 3
B. The amount of PE lost is equal to the amount of KE gained as the marble moves from position 1 -> 2.
500
This graph shows the relationship between:
A: KE and Speed
B: KE and heat
C: KE and mass
D: mass and height
C: KE and mass
500
Which material MINIMIZES heat transfer?
A: material 1
B: material 2
C: material 3
D: material 4
B: material 2
500
If the sun rays are strongest at the equator, what do you think the air will do at that region?
Rise, because it is hot and less dense.