Light & Sound Energy

Front

Without ______, sound cannot exist.

Back

vibrating particles

Front

Light travels in straight ________ called rays.

Back

lines

Front

__________ is the measure of how fast particles are vibrating.

Back

Frequency

Front

Light is __________ by white.

Back

reflected

Front

Another term for heat energy is ______ energy.

Back

thermal

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second (km/s).

Front

What is sound?

Back

Sound is a form of energy that travels in waves and is produced by vibrating objects.

Front

What is reflection of light?

Back

Reflection is when light bounces off a surface.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another.

Front

What is the difference between light and sound?

Back

Light travels faster than sound and does not require a medium to travel.