Name______Class______Date______
Skills WorksheetHYDROELECTRIC POWER
Map Skills
The United States is the third largest producer of hydroelectric power. Only Canada and Brazil use more water for hydroelectricity. Together these three countries make up 37 percent of the world’s hydroelectric power generation. This map shows how states compare in their use of water for hydroelectric power.
Use the map above to answer the questions below.
1.Using a Key What three states use the most water for hydroelectric energy?
______
2.Analyzing Data Do the majority of states use more than or less than 100,000 million gallons of water for hydroelectric power per day?
______
3.Making Conclusions How much water per day does the state where you live use for hydroelectric power?
______
4.Making Conclusions Based on what you have learned in this chapter, do you consider it a good thing or a bad thing if a state uses a high amount of hydroelectric power?
______
______
______
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Environmental Science1Renewable Energy
TEACHER RESOURCE PAGE
Active Reading
SECTION: RENEWABLE ENERGY TODAY
1.c
2.b
3.d
4.They have no moving parts and run on nonpolluting power from the sun.
5.Today’s solar cells are more efficient and less expensive.
6.c
7.e
8.a
9.b
10.Solar cells supply energy to homes, space stations, and common objects such as calculators.
11.In developing countries, energy consumption is minimal and electricity networks are limited.
12.Solar cells produce only a small amount of electricity; thus, acres of them would be needed to supply energy for a small city. Also, solar cells require extended periods of sunlight.
SECTION: ALTERNATIVE ENERGY AND CONSERVATION
1.d
2.b
3.c
4.Energy efficiency refers to using energy without wasting it.
5.Insulation protects homes from energy loss.
6.c
7.a
8.windows, doors, walls, and the roof
9.A person can hold a ribbon up to theedges of windows and doors. If the ribbon flutters, there is a leak.
10.It is lost when heated or cooled air escapes through gaps around windowsand doors.
Map Skills
1.New York, Washington, Oregon
2.less than
3.Answers will vary depending on geographic location.
4.Answers may vary. Students should mention that hydroelectric power is
renewable energy and relatively nonpolluting. Students should also indicate that damming rivers may damageecosystems.
Quiz
SECTION: RENEWABLE ENERGYTODAY
MatchingMultiple Choice
1.b6.c
2.d7.a
3.e8.a
4.a9.d
5.c10.b
SECTION: ALTERNATIVE ENERGYCONSERVATION
MatchingMultiple Choice
1.b 6.a
2.a 7.c
3.d 8.d
4.e 9.c
5.c 10.`b
Chapter Test General
MATCHING
1.a
2.e
3.c
4.b
5.d
MULTIPLE CHOICE
6.c14.b
7.c15.a
8.d16.d
9.a17.c
10.a18.c
11.c19.b
12.d20.a
13.d
Chapter Test Advanced
MATCHINGMULTIPLE CHOICE
1.b6.b
2.c7.c
3.d8.a
4.e9.d
5.a10.c
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Environmental Science1Renewable Energy