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100

How much of the Earth is covered in water?

70%

100

What gas do animals need to breathe to survive?

Oxygen

100

What is the largest star in our solar system?

The sun

100

How many bones do sharks have?

Zero!

100

What do you call a scientist who studies rocks?

Geologist

200

How many states of matter are there?

Three. (Solid, Liquid, & Gas)

200

What plane is known as the "Red Planet"?

Mars

200

What gas do plants absorb from the atmosphere?

Carbon Dioxide

200

Animals that eat both plants and other animals are called what?

Omnivores!

200

What do you call a baby frog?

Tadpole

300

What kind of blood cells fight infections?

White blood cells

300

How many bones are in the (adult) human body?

206

300

What is the hottest planet in our solar system?

Venus

300

What is the process in which water changes from a liquid to a gas?

Evaporation

300

What is the formula for water?

H2O

400

What is the largest organ in the human body?

The skin

400

What is the name of the galaxy that house our solar system?

The Milky Way

400

What are animals that eat dead or decaying matter called?

Scavengers

400

What is the process which plants use to make food?

Photosynthesis

400

What part of the plant conducts photosynthesis?

The leaves

500

Name the power house of the cell.

The mitochondria.

500

How many muscles does a cat have in each ear?

32

500

What type of energy is stored in food?

Chemical energy

500

Which vitamin is primarily produced when the skin is exposed to sunlight?

Vitamin D

500

What is the name of the scientist who proposed the three laws of motion?

Isaac Newton