Unit 3

Which of the following occurs during an energy transformation?

• Energy is destroyed

• New energy is created

• Energy changes form

• Matter is created from energy

Tags

NGSS.HS-PS3-3

NGSS.HS-PS3-5

A car, powered by gas, goes up a hill from point X to point Y. What energy transformation must occur in the car’s engine to move it up the hill?

• Chemical energy into mechanical energy

• Electrical energy into chemical energy

• Heat energy into chemical energy

• Mechanical energy into nuclear energy

Tags

NGSS.MS-PS3-5

Which of these types of energy conversions occur in a battery-powered flashlight?

• Thermal to mechanical to electric

• Light to electrical to chemical

• Thermal to chemical to mechanical

• Chemical to electrical to light

The main purpose of the fan below is to transform electrical energy into

• Light energy

• Chemical energy

• Mechanical energy

• Thermal energy

Which of the words below best describes the process occurring at A?

• Conduction

• Convection

• Radiation

• None of the above

Which of the words below best describes the process occurring at B?

• Conduction

• Convection

• Radiation

• None of the above

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which of the words below best describes the process occurring at C?

• Conduction

• Convection

• Radiation

• None of the above

Tags

NGSS.MS-PS1-4

During a warm summer day, a car became extremely hot. When a student went to open the car door, he burned his fingers. What two forms of energy were responsible for the student burning his fingers?

• radiation and conduction

• conduction and convection

• radiation and electricity

• convection and radiation

Students were investigating methods of thermal energy transfer by cooking popcorn using four different methods.

Which method(s) of cooking popcorn involves the transfer of thermal energy through conduction?

• Both 1 and 4

• Only 1

• Only 2

• Only 4

In an energy transfer experiment, four blocks of different temperatures are stacked. Where would energy transfer by conduction move downward, from a higher block to a lower block?

• Sample 2 to Sample 4

• Sample 1 to Sample 2

• Sample 3 to Sample 4

• Sample 1 to Sample 3

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3