Environmental Science Unit 7

Match the biofuel type with its organic components.

• Woods and grasses

• Second generation

• Algae

• First generation

• Food crops

• Third generation

• Waste, oils and fats

• Advanced

___ is the creation of bio-gas and digestate by breaking down material with bacteria.

• Anaerobic digestion

• Aerobic respiration

• Fermentation

• Composting

Tags

NGSS.HS-LS2-3

Which biofuels are responsible for each statement? ___ biofuels may cause food price spikes due to increased need for agriculture. ___ biofuels may lead to deforestation. ___ biofuels may lead to water and soil degradation due to increased fertilizer use.

• First generation, Second generation, Third generation, Advanced

• Second generation, First generation, Advanced, Third generation

• Third generation, Advanced, First generation, Second generation

• Advanced, Third generation, Second generation, First generation

Tags

NGSS.HS-ESS3-4

Geothermal wells are drilled to a depth of ______ kilometers.

• 26-42 km

• 10-30 km

• 3-6 km

• 50-60 km

Geothermal wells are designed to last __________ years. Choose the correct numerical range expressed in years.

• 20-30 years

• 26-42 years

• 50-70 years

• 80-100 years

Tags

NGSS.HS-ETS1-3

What are two of the ways waste heat from geothermal wells can be used by the community?

• District heating and greenhouse warming

• Electric power production and water pumping

• Waste disposal and air conditioning

• Recreational uses and landscaping

Tags

NGSS.MS-PS3-3

Compared to oil and gas reserves, geothermal has _____ times as much energy.

• 50,000

• 20,000

• 15,000

• 30,000

Complete the sentence: “The energy of the sun is _____ times more than our annual demand for oil and gas.”

• 10,000

• 1,000

• 50,000

• 100

Compare the types of solar power. ___ solar power has mechanical components and circulates heat-carrying fluids. ___ solar power has no moving parts and the design is enhanced to capture the sun’s rays. ___ solar power uses semiconductors to convert light into electricity. ___ solar power uses the sun’s heat to warm buildings.

• Active, Passive, Photovoltaic, Thermal

• Passive, Active, Thermal, Photovoltaic

• Photovoltaic, Thermal, Passive, Active

• Thermal, Photovoltaic, Active, Passive

What is the minimum average annual wind speed necessary for potential wind turbine sites to be considered efficient enough to approve and construct?

• 5 m/s

• 6 m/s

• 7 m/s

• 8 m/s