Energy Transfer Quiz

A pom-pom launcher _________________.

• transfers kinetic energy to thermal energy

• transforms kinetic energy to sound energy

• transforms stored energy to kinetic energy

• transfers energy of motion to stored energy

Why are sounds not heard in space?

• Space is too cold for sound waves to travel.

• There is too much matter to travel through in space.

• Space is a vacuum with few particles to travel through.

• Energy cannot travel in space.

How does sound energy travel?

• in strings

• in beams

• in pulses

• in waves

When a musician plays an instrument, how does the sound travel to reach your ears?

• using echos

• through potential energy

• through thermal energy

• through sound waves

_______________ is an excellent thermal conductor because it conducts heat

• Wood

• Plastic

• Aluminum

How does heat travel from the sun to the Earth?

• conduction

• convection

• radiation

• conduction and convection

Which is the best description of how sound waves travel?

• in a straight path to your ear

• back and forth from the source

• outward in all directions

• upward from the source

Light travels in a _____________ path.

• curved

• straight

• random

The path along which electrical current flows is called a(n) _____________.

• conductor

• resistor

• insulator

• circuit

How are sound waves and states of matter (solid, liquid, gas) related?

• Sound waves cannot travel through any states of matter.

• Sound waves can travel through solids, but not gasses or liquids.

• Sound waves can travel through liquids, but not solids or gasses.

• Sound waves can travel through all three states of matter.