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- 1. Multiple Choice
The rock in the picture is pushed over the edge and it begins to fall. Which type of energy conversion is taking place?
mechanical to heat
sound to mechanical
potential to kinetic
kinetic to potential
- 2. Multiple Choice
A ball is projected into the air. Where is potential energy the greatest?
- 3. Multiple Choice
How does the mass of a bowling ball that has been rolled down the lane affect the kinetic energy?
The kinetic energy does not depend on the mass of the bowling ball.
The kinetic energy is increasing proportional to the mass of the bowling ball.
The kinetic energy is decreasing proportional to the mass of the bowling ball.
The kinetic energy is increasing proportional to the square of the mass of the bowling ball.
- 4. Multiple Choice
Which point on the roller coaster's path represents the maximum potential energy?
- 5. Multiple Choice
As a roller coaster goes downhill
kinetic energy is converted into potential energy.
potential energy is converted into kinetic energy.
electrical energy is converted into potential energy.
potential energy is converted into electrical energy.
- 6. Multiple Choice
When gasoline is burned in a car engine, ________ energy is converted into _________ energy.
heat, chemical
chemical, potential
mechanical, chemical
chemical, mechanical
- 7. Multiple Choice
Which diagram BEST represents a convection heating current?
- 8. Multiple Choice
Within the alarm clock seen here, energy is transformed. It is time to get up! The alarm clock goes off. What are the energy transformations taking place in your alarm clock?
electrical to magnetic to sound
electrical to mechanical to sound
electrical to mechanical to light
chemical to electrical to mechanical
- 9. Multiple Choice
Muscles convert chemical energy into
light energy.
nuclear energy.
mechanical energy.
electromagnetic energy.
- 10. Multiple Choice
What form of energy does a compressed spring have?
heat energy
kinetic energy
chemical energy
potential energy
- 11. Multiple Choice
Maria’s father started a fire in the fireplace. He crumpled some paper, lit a match, and soon the logs in the fireplace were burning. In this case, the stored chemical energy in the logs was changed into
electrical energy.
mechanical motion.
heat and light energy.
electrical and heat energy.
- 12. Multiple Choice
Conduction occurs more easily between solids and liquids. This is because the particles in gases are
farther apart and move faster.
closer together and move faster.
further apart and move more slowly.
closer together and move more slowly.
- 13. Multiple Choice
Energy is transferred in solids by conduction, which means that
heat travels in both directions.
heat travels from the cooler object to the hotter object.
heat travels from the hotter object to the cooler object.
heat does not travel between objects of different temperatures.
- 14. Multiple Choice
Marina is using a metal spoon to stir her soup. Why does the spoon feel warm?
Stirring creates heat energy in the spoon.
Marina’s hand warms the spoon she is holding.
Heat energy from the soup is transferred to the spoon.
Heat energy from the spoon is transferred to the soup.
- 15. Multiple Choice
The light bulb converts electrical energy into light and _________.
chemical
electromagnetic
heat
nuclear
- 16. Multiple Choice
Which image exclusively represents the principle of radiation?
IV
III
II
I
- 17. Multiple Choice
A drawn bow possesses mechanical energy in the form of _______________. After the arrow is released, the energy is transformed into _________________.
potential energy; mechanical energy
elastic potential energy; kinetic energy
gravitational potential energy; kinetic energy
elastic kinetic energy; mechanical kinetic energy
- 18. Multiple Choice
How would you describe the relationship between the mass of a car and its kinetic energy?
As the mass of a car increases, its kinetic energy increases.
As the mass of a car increases, its kinetic energy decreases.
As the mass of a car decreases, its kinetic energy increases.
There is no clear relationship between mass and kinetic energy.
- 19. Multiple Choice
In the figure, potential energy is being converted into kinetic energy from
point A to point B
point B to point C
The only energy involved here is kinetic.
Energy is not being converted.
- 20. Multiple Choice
A pole vaulter runs forward, plants his pole, rises in the air and lands. What point represents his greatest amount of gravitational potential energy?
when he initially lands
as he runs forward to plant the pole
just before he starts to fall to the ground
after take-off as the pole expands and lifts the vaulter toward the bar
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