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Introduction to Energy- Directed Reading
Section 1: What is Energy?
1. Energy is defined as the ability to
2. List 4 products that energy produces:
Section 2: Forms of Energy
3. Potential Energy is
4. Kinetic Energy is
In the table below, write the definition and an example of each type of energy:
Type of Energy
Definition
Example
Chemical Energy
Stored Mechanical Energy
Nuclear Energy
Gravitational Energy
Electrical Energy
Radiant (Light) Energy
Thermal (Heat) Energy
Motion Energy
Sound Energy
Section 3: Conservation of Energy
5. What is the Law of Conservation of Energy?
6. When we use energy, it is not “used up” – energy does not just disappear. What
happens to the energy?
Section 4: Efficiency
7. What is efficiency?
8. How efficient (in percent) is an incandescent light bulb in turning electrical energy
into light energy?
9. Besides light, what other type of energy is given off by the light bulb? How do you
know?
Section 5: Sources of Energy
10.List 3 examples of nonrenewable energy sources.
11.Why are these energy sources called nonrenewable?
12.List 3 examples of renewable energy sources.
13.Why are these energy sources called renewable?
14.Which energy sources are more commonly used – nonrenewable or renewable
energy sources?
Section 6: Energy Use:
15.Every day, the average American uses the same amount of energy as stored in how
many gallons of gasoline?
Section 7: Energy Users
16.List an example of a Residential energy user.
17.List an example of a Commercial energy user.
18.List an example of an Industrial energy user.
19.List an example of a Transportation energy user.
20.Which type of energy user consumed the largest percentage of U.S. Energy in 2010?
(circle one) Residential Commercial Industrial Transportation
Section 8: Energy Use and Prices
21.How does the price of energy affect energy consumption?
22. Did the U.S. use more energy in 1975 or 2010?
23. From the information on these pages, figure out if the U.S. use more energy per
person in 1975 or in 2010?