Energy and Power for Technology

What is energy?

• The ability to generate heat

• The ability to produce light

• The ability to create power

• The ability to do work

Which form of energy is produced by pedaling a bicycle?

• Electrical energy

• Mechanical energy

• Chemical energy

• Thermal energy

Which form of energy is produced by a burning campfire?

• Electrical energy

• Mechanical energy

• Chemical energy

• Thermal energy

Which form of energy is produced by a lightning bolt?

• Electrical energy

• Mechanical energy

• Chemical energy

• Thermal energy

Which form of energy is produced by a cell phone battery?

• Electrical energy

• Mechanical energy

• Chemical energy

• Thermal energy

Tags

NGSS.HS-PS3-3

Energy cannot be created or destroyed, it can only be _________ from one form to another

• Converted

• Generated

• Changed

• Transformed

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Which of the following is a renewable energy source?

• Oil

• Coal

• Solar energy

• Natural gas

Which of the following is a non renewable energy source?

• Oil

• Hydroelectric Energy

• Solar energy

• Wind Energy

What is the measure of the work done over a certain period of time?

• Cost

• Load

• Efficiency

• Power

Why do cars use gasoline engines instead of jet engines?

• Gasoline engines are more efficient

• Gasoline engines are lighter

• Jet engines are too powerful

• Jet engines are too expensive