What Is Energy? Chapter 13, Section 1

What is Energy? – Chapter 13, Section 1

1.  How are work and energy related?

2.  How is power related to energy?

3.  What are the two basic kinds of energy?

_____4. energy a. energy that depends on height

_____ 5. kinetic energy b. ability to do work or cause change

_____ 6. potential energy c. energy associated with objects that can be stretched or compressed

_____ 7. gravitational energy d. an object’s energy due to its motion

_____ 8. elastic potential energy e. any type of stored energy due to an object’s position or shape

Forms of Energy – Chapter 13, Section 2

1.  How can you determine an object’s mechanical energy?

2.  Name two forms of energy associated with the particles that make up objects.

a. mechanical energy b. electrical energy c. thermal energy
d. nuclear energy e. chemical energy f. electromagnetic energy

Energy Transformations and Conservation – Chapter 13, Section 3

True or False:

______1. An energy transformation is occurring only at point 3.

______2. The ball has the most kinetic energy at point 2.

______3. As the ball rises from point 1 to point 3, it slows down.

______4. The ball has the most potential energy at point 3.

______5. In this example, the law of conservation of energy says that the ball never
loses kinetic energy.

Write a definition for each of the following terms on the lines below.

6. energy transformation

7. law of conservation of energy

8. matter
Energy and Fossil Fuels – Chapter 13, Section 4

1.  Explain what type of energy transformation takes place at point A.

2.  What type of energy is transformed into chemical energy by ancient plants and animals point B?

3.  The coal at point C is an example of what type of fuel? Give another example of this type of fuel.

4.  How is the stored chemical energy transformed into thermal energy at point D?

5.  What type of energy does the steam in the electric plant at point E have? What type of energy do the turbines have when they turn?

6.  Explain what type of energy transformation takes place at the generators at point F.

7.  Give an example of how electrical energy can be transformed to another form of energy in your home.