Energy Review

Kinetic energy is

• loss of all energy

• stored and moving energy

• the energy of a moving object

• the energy stored in an object

Which of the following is an example of using kinetic energy to produce electricity?

• batteries

• windmills

• burning coal

• nuclear energy

Students observe a marble as it rolls into a trough and back up the other side. At which two points in the diagram does the marble have the same amount of potential energy?

• 1 and 6

• 2 and 6

• 3 and 5

• 4 and 5

At which point would the roller coaster car have the greatest potential energy?

• 1

• 2

• 4

• 5

At which point does the water have the greatest kinetic energy?

• 1 - water at the top of the falls

• 2 - water as it starts to go over

• 3 - water as it is falling

• 4 - water at the rocks

This is a figure of a pendulum. The letters represents specific points that the pendulum passes through in its swing. Which statement accurately describes potential energy and kinetic energy of the pendulum?

• Position A is the point of maximum potential energy and minimum kinetic energy

• Position B is the point of maximum potential energy and minimum kinetic energy

• Position A is the point of maximum kinetic energy and minimum potential energy

• Position B is the point of maximum kinetic energy and minimum potential energy

During photosynthesis, light energy is converted into

• chemical energy

• electrical energy

• nuclear energy

• thermal energy

A hairdryer converts electrical energy into

• chemical energy

• electrical energy

• nuclear energy

• thermal energy

The sun is beating down on a child sitting on the sidewalk. This is an example of a transformation of

• radiant energy to thermal energy

• thermal energy to radiant energy

• electrical energy to radiant energy

• radiant energy to chemical energy

Which type of energy transfer takes place through the circulation of fluid materials like air and water?

• conduction

• convection

• radiation

• transformation