Study Guide: Energy

  1. Compare and Contrast Conduction, Convection and Radiation

Use the pictures below to answer question 2.

  1. Melissa made the above sketches to record everyday examples of types of energy. Which sketch shows kinetic energy?
  2. 1 Only
  3. 2 Only
  4. 3 Only
  5. 1 and 2 Only

Object / Height on Cabinet
Picture / 2.50m
Toy / 9.50 m
Book / 7.75 m
Car / 2.25 m

Use the chart below to answer question 3.

  1. Which of the objects is has the most potential energy?
  2. The Book
  3. The Toy
  4. The Picture
  5. The Car
  1. Explain how the average speed of the molecules (how fast molecules move)of an object related to the thermal energy of the object?
  1. Describe in detail howenergy is converted when an oven bakes bread?
  1. Any time an energy conversion takes place, some of the original energy is converted/changed to ______Energy
  1. Which of the following is a conversion from light energy to chemical energy?

a.turning on a stove to heat dinner

b.turning on a lamp

c.growing an apple tree

d.making toast in a toaster

Use the picture below to answer question 8.

  1. In the diagram above when does the coconut have the most gravitational potential energy?
  2. The Swing has the same amount of gravitational potential energy at all the positions.
  3. When the Swingt is at Position 1
  4. When the Swing is at Position 2
  5. When the Swing is at Position 3
  1. Give 3 very different examples of how the chemical energy to“converted” thermal energy?
  1. Electrical energy can be produced from which of the following expleain your answer.
  2. Mechanical energy
  3. Light energy
  4. Chemical energy
  5. All of the above
  1. Which sequence of energy transformations occurs after a battery-powered flashlight is turned on?
  2. Electrical →Chemical →Light
  3. Chemical →Light →Electrical
  4. Electrical Light Chemical
  5. Chemical Electrical Light
  1. Which of the following types of energy comes from a compound that changes as its atoms are rearranged______
  1. Energy that is caused by vibration of particles is called______.
  1. Describe what happens when electrical energy is changed to thermal energy?

Use the graphic below to answer the questions that follow.

15.What is the skier’s gravitational energy at point a?______

Use for question (#16) . The diagram shows a pan heating a beaker of water on aoven burner. The arrow represents the transfer of heat energy in the water.

  1. What process is primarily responsible for the transfer of heat indicated by the arrows in the beaker of water?
  2. Conduction
  3. Convection
  4. Radiation
  5. Condensation
  1. In both hot water and solar heating systems, the thermal energy from heated water circulates through the air of the room by
  2. Conduction
  3. Ventilation
  4. Convection
  5. Radiation

Use the graph below to answer question 18.

  1. In which regions of the graph is the potential energy of the pendulum the greates?
  2. Regions A, C, and E
  3. Regions B, C, and D
  4. Regions C, B, and D
  5. None of the above

19. When energy changes from one form to another, some of the energy always changes into

a.kinetic energy.

b.potential energy.

c.thermal energy.

d.mechanical energy.

20.Look at the image below. Beginning with the pole vaulter's breakfast, trace the energy conversions necessary for the event shown to take place.