Transfer of Energy

When two objects touch, thermal energy is transferred through:

• conduction

• convection

• radiation

• radiators

What is a flow of electrical charges?

• an insulator

• a light bulb

• an electric current

• radiation

Heat traveling from the sun to the Earth is an example of:

• conduction

• convection

• radiation

• summer

A boiling pot of water transferring energy is an example of:

• conduction

• convection

• radiation

• dinner

When a lightbulb lights up, electrical energy is transferred into:

• heat and sound

• light and sound

• light and heat

• heat and wind

What changes mechanical energy into electrical energy?

• switch

• generator

• lightbulb

• insulator

Tags

NGSS.HS-PS3-3

What allows the stop or flow of electricity?

• turbine

• generator

• electromagnet

• switch

A path through which electric current flows, or an unbroken path of conductors, is called:

• a wire

• a circuit

• an insulator

• a plug

What stops or slows the flow of electricity?

• an insulator

• a conductor

A magnet and magnetic field formed when electric current flows through a wire wrapped in coils around an iron is:

• a generator

• an electromagnet

• an electrical current

• an insulator

Tags

NGSS.MS-PS2-3