Lesson 8: Energy Resources

Question 1

primary energy resource

Answer 1

biomass - 12%
wind/solar/biofuel - 1.0%
oil - 31.0%
natural gas - 8.0%
coal - 20%
hydro - 6.0%
geothermal - 22%

Question 2

the earth’s heat

Answer 2

geothermal energy

Question 3

harnessing geothermal energy

Answer 3

• pump steam or hot water into the surface
• power plant use cooling towers to send wastewater

Question 4

types of geothermal power plant

Answer 4

• dry steam
• flash steam
• binary cycle

Question 5

sips directly hot steam beneath the ground through pipes to mobilize generator turbines

Answer 5

dry steam power plant

Question 6

system that transfers heat from hot water slipped miles deep to other liquid into steam to drive the generator turbines.

Answer 6

binary cycle power plant

Question 7

electricity in water

Answer 7

hydroelectric energy

Question 8

one requirement for water to become energy resource

Answer 8

current

Question 9

harvesting hydroelectric power

Answer 9

• mechanical energy created by moving water spins the turbine
• turbine is connected to a generator that produces electricity when the turbine spins

Question 10

types od hydroelectric power plant

Answer 10

• dam
• run of river

Question 11

impacts of hydroelectric powerplant

Answer 11

• flooding upstream landscapes
• disruption of wildlife habitat
• blocking fish passages
• displacing local communities

Question 12

impacts of geothermal powerplant

Answer 12

have almost no negative effects on the environment