Earth Science (9-12) - Unit 11, Assessment 2

Match the biofuel type with its organic components.

• Woods and grasses

• Advanced

• Algae

• First generation

• Food crops

• Second generation

• Waste, oils and fats

• Third generation

Categorize the types of biofuel creation methods. ___ is the creation of bio-gas and digestate by breaking down material with bacteria. ___ is the creation of heat by burning biomass. ___ is the creation of bio-oil and bio-char by decomposing using heat without oxygen. ___ is when glucose is converted to ethanol fuel. ___ is when syngas is created via heat, pressure, and partial combustion.

• Anaerobic digestion, Combustion, Pyrolysis, Fermentation, Gasification

• Fermentation, Combustion, Anaerobic digestion, Pyrolysis, Gasification

• Pyrolysis, Gasification, Combustion, Anaerobic digestion, Fermentation

• Combustion, Anaerobic digestion, Gasification, Fermentation, Pyrolysis

Which biofuels are responsible for each statement? ___ biofuels may cause food price spikes due to increased need for agriculture.

• First generation

• Second generation

• Third generation

• Fourth generation

Which biofuels are responsible for each statement? ___ biofuels may lead to deforestation.

• First generation

• Second generation

• Third generation

• Fourth generation

Which biofuels are responsible for each statement? ___ biofuels may lead to water and soil degradation due to increased fertilizer use.

• First generation

• Second generation

• Third generation

• Fourth generation

To what depth are geothermal wells drilled?

• 0.1-0.5 km

• 1-3 km

• 10-20 km

• 30-50 km

How long are geothermal wells designed to last?

• 26-42 years
• 1-25 years

• 43-63 years

• 64-83 4 years

Two of the ways waste heat from geothermal wells can be used by the community are:

• Heating buildings and greenhouses

• Generating electricity and powering cars

• Cooling homes and freezing food

• Producing solar panels and wind turbines

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

• 10,000

• 100,000

• 1,000

• 1,000,000

Compare the types of solar power.

• Active, Passive, Photovoltaic, Thermal

• Wind, Hydro, Geothermal, Biomass

• Nuclear, Fossil Fuels, Tidal, Wave

• Hydroelectric, Wind, Biomass, Geothermal