1 - Light and Optics

Luminous objects...

• are dark

• are great to hide

• create their own food

• create their own light

Light is a form of

• food

• energy

• particles

• transformation

Which is an example of a natural light source?

• firefly

• glow sticks

• sun

• lightbulb

An example of an incandescent light source is

• stars

• fire

• glow in the dark stickers

• jelly fish

Light travels (pick all that apply)

• slow

• fast

• zig-zags

• straight lines

Which material allows all light to pass through is called

• opaque

• transparent

• translucent

• shadow

The type of object that creates a shadow is

• transparent

• umbra

• translucent

• opaque

The darkest part of a shadow is called the

The science of light properties and behaviors is called

Light pollution is

• garbage in the sky

• only a little bit of garbage

• a night sky

• any unwanted light