The Nature of Light

What is light?

• • A form of electricity

• • A type of sound wave

• • Traveling energy that we can see

• A feather

How fast does light travel?

• • 186,000 miles per second

• • 500,000 miles per day

• • 10,000 miles per minute

• 1 mile per day

What does the electromagnetic spectrum include?

• • Only sound waves

• • All energy waves, including radio waves and light

• • Only visible light

• • Only x-rays and microwaves

Match the following

• range of all types of light waves

• prism

• distance light travels in one year

• light-year

• glass that separates light

• light

• to bounce back light

• reflect

• visible part of the electromagnetic spectrum

• electomagnetic spectrum

What happens when light waves bounce off objects?

• • They disappear

• • They change into heat

• • They reflect, allowing us to see shapes and colors

• They turn into sound

What happens when light waves bounce off objects?

Answer explanation

When light waves bounce off objects, they reflect, allowing us to see shapes and colors.

What creates white light?

• • No color waves

• • A combination of all color waves

• A White Star

• • Only red and blue waves

What does a prism do to white light?

• • It makes the light waves faster

• • It separates the light into different colors

• • It combines the light waves

• • It turns it into sound

Why do you see a red shirt as red?

• • The shirt reflects only red light waves

• • The shirt reflects all colors

• • The shirt absorbs red light waves

• • The shirt has no color

What do white objects do with light?

• Make a sandwich

• • Reflect all colors

• • Absorb all colors

• Turn it black