Electrical Energy to Other Forms

Which picture shows the transformation of electrical energy into mechanical energy?

• Q

• R

• S

• T

Tags

NGSS.MS-PS3-5

The pictures show a toaster, a crane, a buzzer, and a flashlight. Which picture best shows electrical energy being converted into thermal energy?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS1-4

What transformation occurs when a telephone rings?

• Electrical energy is transformed into kinetic energy.

• Electrical energy is transformed into sound energy.

• Potential energy is transformed into sound energy.

• Sound energy is transformed into thermal energy. Sound energy is transformed into thermal energy.

What kind of energy transformation is taking place when a hair dryer is used?

• Mechanical energy is being transformed into thermal energy.

• Sound energy is being transformed into electrical energy.

• Magnetic energy is being transformed into wind energy. Magnetic energy is being transformed into wind energy.

• Electrical energy is being transformed into thermal energy.

Which of the following is an example of chemical energy being transformed into thermal energy?

• An electric fan moving air from one location to another

• The wind turning a wind turbine to produce electricity

• A car's engine burning gasoline to make the car run

• The steam in a steam engine powering a locomotive The steam in a steam engine powering a locomotive

Photosynthesis allows plants to convert, store, and use energy. Which choice lists the types of energy involved in photosynthesis and the order in which they generally change?

• Light energy → chemical energy

• Light energy → thermal energy

• Thermal energy → chemical energy

• Chemical energy → thermal energy

Tags

NGSS.MS-LS1-6

An interesting thing about energy is that it cannot be created or destroyed. It simply changes from one form to another. What energy change takes place when using a hair dryer?

• Sound energy changes to chemical energy

• Heat energy changes to electrical energy

• Light energy changes to mechanical energy

• Electrical energy changes to heat energy

Tags

NGSS.MS-PS3-4

At the South Texas Nuclear Power Plant, uranium atoms are split in order to create heat. The heat is used to make steam, which turns a generator to make electricity. What energy changes take place during this process?

• Nuclear energy to heat energy to mechanical energy to electrical energy

• Mechanical energy to nuclear energy to heat energy to light energy

• Chemical energy to nuclear energy to electrical energy to heat energy

• Mechanical energy to heat energy to chemical energy to electrical energy Mechanical energy to heat energy to chemical energy to electrical energy

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A boy skating downhill on a skateboard is transforming —

• potential energy into kinetic energy.

• kinetic energy into potential energy.

• thermal energy into potential energy.

• kinetic energy into chemical energy. kinetic energy into chemical energy.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

As the boy moves faster down the hill, the wheels and bearings become warm. What other energy transformation does this warming suggest?

• Some of the electrical energy transformed into potential energy.

• Some of the chemical energy transformed into potential energy.

• Some of the thermal energy transformed into kinetic energy.

• Some of the mechanical energy transformed into thermal energy.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-5