The Basics of Light

Where does the majority of our light come from?

• the moon

• the planets

• the sky

• the sun

Would there be life on earth as we know it without natural light?

• yes, there would be

• no, of course not

• yes, but people wouldn't be able to see

• not really sure; maybe

How does light travel?

• in groups like friends

• in drops like rain

• in a gas like a cloud

• in waves

Light rays of sunshine travel in ________________ lines

• curved

• wavy

• straight

• circular

Light travels at _______________ km/second

• 300,000 km/sec

• 600,000 km/sec

• 900,000 km/sec

• 1,000,000 km/sec

What are two other sources of natural light besides the sun?

• batteries and a flashlight

• fire and lightning

• lamps and street lights

• I really don't know!

Some small _______________ even create their own light

• snakes

• trees

• birds

• creatures

Glow _______________ have bodies that are able to emit light

• worms

• fish

• flowers

• birds

Lamps, fireworks, computer screens, and light bulbs are examples of ___________ ___________ of light

• natural sources

• ancient sources

• earthly sources

• artificial sources

When light hits an object it _______________ off the object and enters our eyes

• twists

• flips

• bounces

• pushes