5º science flashcard april

Front

What travels as waves and can move through empty space?

Back

light energy

Front

_____ is energy due to randomly moving particles that make up matter.

Back

thermal energy

Front

_____ is the energy of vibrations carried by air, water, or other matter.

Back

sound energy

Front

A _____ is a quick back-and-forth movement.

Back

vibration

Front

A _____ is a disturbance that moves sound energy through matter.

Back

sound wave

Front

The _____ of a wave is the number of waves that pass a point in a certain amount of time.

Back

frequency

Front

What is the distance between a point on one wave and a similar point on the next wave?

Back

wave length

Front

_____ is how high or low a sound is.

Back

pitch

Front

_____ is a measure of how strong a sound seems to us.

Back

volume

Front

The 3 ways that light rays strike an object are...

Back

refraction, reflection and absorption