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Front

What is the process of liquid turning into gas called?

Back

Evaporation

Front

What is the process of a caterpillar changing into a butterfly called?

Back

metamorphosis

Front

What is the hardest natural substance on Earth?

Back

Diamond

Front

What is the study of living organisms called?

Back

biology

Front

What is the force that pulls objects towards the center of the Earth?

Back

gravity

Front

What is the closest star to Earth?

Back

Sun

Front

What is the chemical symbol for water?

Back

H2O

Front

What is the process by which plants make their own food called?

Back

Photosynthesis

Front

What is the largest planet in our solar system?

Back

Jupiter

Front

How many legs does a spider have?

Back

8