Life science
Astronomy
Chemistry
100

What is the process that planets use to convert sunlight into chemical energy?

Photosynthesis

100

What is the largest planet in our solar system?

Jupiter

100

What is the chemical formula for water?

H2O

200

What is it called when certain animals can regrow lost body parts?

Regeneration

200

How old is the universe

13.7 billion years

200

What is the chemical symbol of iron

Fe

300

What is the study of plants called?

Botany

300

What are storms produced by the sun called?

solar storms

300

How many known elements are in the periodic table of elements?

118 elements

400

How many chromosomes are in a typical human cell?

46

400

What is the official count for constellations?

88

400

What is the scientific term for rusting 

oxidation

500

What structure of the brain controls balance and coordination?

Cerebellum

500
What is at the center of the milky way galaxy?

A black hole

500

What is the main component of natural gas?

Methane

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