science

a material that transfers heat well

the energy in a sound wave

the measure of hoe much useful work a machine puts out compared to the amount of work put into it

the ability to do work

the number of times a sound source vibrates in one second

the force that works against motion between surfaces that touch

 a material that does not transfer heat very well

the object being lifted or moved by a simple machine

highness or lowness of a sound

The transfer of heat through space

When light strikes a surface and bounces off

The bending of light as it passes from one material to another

A range of light waves with different wavelengths and energies

the distance an object moves in a certain amount of time

when a force is used to move an object a certain distance