Light Energy

Front

Light always travels in a...

Back

Straight line

Front

What happens when light passes through a prism?

Back

Refracts

Front

Materials that do not let any light pass through them

Back

opaque

Front

Translucent objects let __________ through.

Back

some light

Front

What object can change electrical energy into light energy? Options: A candle, A fire, A lamp, A radio

Back

A lamp

Front

The name for the range of electromagnetic waves placed in order of increasing frequency is...

Back

Electromagnetic Spectrum

Front

Which of the following is not in the electromagnetic spectrum? Light waves, Sound waves, Radio Waves, X-rays

Back

Sound waves

Front

Which color has the longest wavelength? Options: Yellow, Red, Green, Purple

Back

Red

Front

Arrange forms of electromagnetic energy from longest to shortest wavelength: Microwave -> Radio wave -> Infrared rays, Visible light -> x-ray -> radio wave, Microwave -> infrared -> visibile light, Infrared -> radio wave -> ultraviolet

Back

Microwave -> infrared -> visibile light

Front

Why do dentists put lead aprons over patients' bodies when taking X-rays?

Back

To prevent harmful exposure to X-rays