Sound & Light
Sun, Moon, and Stars
This & That
Plants
100

What causes sound?

Vibrations

100

What is the closest object to Earth in space?

The Moon

100

What do Crayfish do when they lose a claw?

Grow a new one
100

What part of the plant collects water and nutrients?

Roots (root hairs)
200

How does sound travel?

In soundwaves
200

What is created when a light source is blocked by an object?

A shadow

200

Are crayfish herbivores, carnivores, or omnivores?

Omnivores (they eat almost anything!)

200

What part of the plant makes food?

The leaves

300

What allows us to hear with our ears?

Vibrations in our ear (eardrum)

300

Why does the sun move across the sky every day?

Because the Earth is rotating

300

How many branches of government do we have?

Three

300

What is the thing found in plants that makes them green?

Chlorophyll

400

What travels faster: sound or light?

LIGHT  (Sound takes almost 5 seconds to travel 1 mile, but light travels 186 thousand miles in 1 second!!)

400

How does the moon produce light (moonlight)?

The moon reflects light from the son down to earth

400

What powerful thing can you do as an adult to help choose your leaders?

VOTE!

400

What is it called when we grow plants without soil?

Hydroponics

500

What is it called when light appears to "bend" in water?

Refraction

500

How many earths could you fit inside the sun?

1 MILLION EARTHS!

500

Name the 3 branches of our government

Legislative, Executive, and Judicial Branch

500

What is the name of process that plants use to make food?

Photosynthesis