Natural Resources in the Environment

Biomass conversion generates energy from

_____________.

• plant and animal waste

• running water

• sunlight

• wind

Fossil fuels are ________________________

• renewable

• nonrenwable

Wind, hydro, solar energy, biomass energy, and geothermal energy are all _______________.

• nonrenewable resources

• free energy sources

• fossil fuels

• renewable energy sources

Time, money, and materials are often ____________ that are considered at the beginning of the design process.

• criteria

• design

• constraints

Engineers designing an energy efficient product will make the first model, called a

• constraint

• tester

• prototype

• design

Which is where geothermal energy comes from?

• inside the earth

• the sun

• wind turbines

• water dams

Maitha learned that fossil fuels contain a lot of energy. Why are fossil fuels considered nonrenewable resources?

• Fossil fuels are essential to civilization.

• Fossil fuels cannot be replaced fast enough for future use.

• Fossil fuels are easily renewed.

• Fossil fuels are alternative energy sources.

Which of the following are renewable resources? Select all that apply

• fossil fuels

• hydroelectricity

• wind energy

• nuclear energy

• solar energy

The act of saving, protecting, or using resources wisely is

_____________.

• reservation

• generation

• conservation

• production

Energy from running water is used to generate _____________.

• solar energy

• biomass

• hydroelectricity

• wind energy