General Science
Earth and Space
Life Science
100

This force pulls things toward Earth.

What is Gravity?

100

This layer of Earth is made of molten rock.

What is the mantle?

100

This part of the human body pumps blood.

What is the heart?

200

This gas is what plants take in to perform photosynthesis.

What is Carbon Dioxide?

200

This is why we have day and night on earth.

What is the Earth's rotation?

200

Animals who eat only plants are called by this term.

What is herbivore?

300

This part of the cell is where DNA is stored.

What is the nucleus?

300

This is the Earth's natural satellite.

What is the moon?

300

This term describes and animal who eats other animals.

What is carnivore?

400

This gas is what living things need to breathe in order to survive.

What is oxygen?
400

This is the name of the path a planet takes around the sun.

What is orbit?

400

This organ helps fish breathe underwater.

What are gills?

500

Solids, liquids and gases are examples of this

What is states of matter?

500

This is what we call a group of stars that form a picture in the sky.

What is a constellation?

500

This is the term for a type of animal that has fur and drinks milk as babies.

What is mammal?

600

The scientific term for the study of weather

What is meteorology?

600

This gas makes up most of Earth's atmosphere.

What is nitrogen?

600

This is what we call a plant when it first starts to grow.

What is seedling?

700

A ramp is an example of this type of simple machine.

What is an inclined plane?

700

This type of rock is made from lava or magma.

What is Igneous?

700

These 3 things are what animals need to survive.

What is air, water and food?

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