Light rays of sunshine travel in ________________ lines

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

Some small _______________ even create their own light

Glow _______________ have bodies that are able to emit light

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

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

After the light enters our eyes our __________ then determines what we are seeing

If the sun were to burn out would there still be life on earth as we know it?

Plants need sunlight to produce their own food. This process is called _______________

__________ are the primary energy source of all food chains

Plants use the sun to make _______________