Astronomy
Chemistry
Biology
Geography
Physics
100

How many planets in our solar system?

Eight

100

What is the smallest unit of matter called?

An Atom

100

What is the largest mammal on earth?

The blue whale
100

What is the largest ocean on Earth?

The Pacific Ocean

100

Which travels faster, light or sound?

Light

200

What is the largest planet in our solar system?

Jupiter

200

What is the chemical symbol for water?

H2O

200

What color is Chlorophyll?

Green

200

What percentage of the Earth's surface is covered in water?

71%

200

What color do you get if you mix all colors of light?

White

300

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

The Milky Way

300

Which is denser, oil or water?

Oil

300

What is it called when plants convert sunlight into energy?

Photosynthesis

300

What is the world's longest river?

The Nile

300

What force keeps objects on Earth's surface?

Gravity

400

Which planet is known for its beautiful ring system?

Saturn

400

What is the process called when a liquid turns into a solid?

Freezing

400

What kind of blood vessels carry oxygenated blood away from the heart: veins or arteries?

Arteries

400

What is the name for the calm center of a hurricane?

The Eye

400
What is the center of an atom called?

The nucleus

500

What is the name of the phenomenon where the Moon partially or completely covers the Sun?

Solar Eclipse

500

Fill in the blanks: evaporation is the process of a substance going from a ___ state to a ___ state

Liquid to Gas

500

What is the name of the structures that carry genetic information in our cells? 

DNA (deoxyribonucleic acid)

500

What causes ocean tides?

The gravitational pull of the Moon

500

What do you call the two poles (ends) of a magnet?

North and South