Waves Review

What does the electromagnetic spectrum include beyond visible light?

• Only gamma rays

• X-rays and radio waves

• Only ultraviolet and infrared light

• Sound waves

Why does a red apple appear red?

• It emits red light

• It reflects red light

• It reflects all colors except red

• It absorbs red light

What happens when white light passes through a prism?

• It remains unchanged

• It splits into all colors of the rainbow

• It turns into a single color

• It disappears

Which part of the electromagnetic spectrum is used in heating our food?

• Ultraviolet light

• Microwaves

• Radio waves

• Infrared radiation

Why is there no sound in space?

How fast does light travel?

• 300,000 kilometers per second

• 300 kilometers per second

• 30,000 kilometers per second

• 300,000 kilometers per hour

Which waves have the highest energy in the electromagnetic spectrum?

• Microwaves

• Radio waves

• Gamma rays

• Visible light

What causes a rainbow to appear?

• Light being absorbed by water

• Reflection of light in water

• Light being emitted by the sun

• Refraction of light through raindrops

Why do things underwater appear to be in a different spot?

What is the correct order of colors in the visible spectrum from longest to shortest wavelength?

• Red, Orange, Yellow, Green, Blue, Indigo, Violet

• Blue, Green, Yellow, Orange, Red, Indigo, Violet

• Violet, Indigo, Blue, Green, Yellow, Orange, Red

• Green, Blue, Indigo, Red, Orange, Yellow, Violet