Life Science
Physical Science
Chemistry
Space
Green
100

What is the basic unit of life?

Cell

100

What force pulls objects towards Earth?

Gravity

100

What is the chemical symbol for water?

H2O

100

What planet is known as the "Red Planet"

Mars

100

Which is better for Earth:  Reusable bottles or disposable plastic bottles?

Reusable bottles

200

What organ pumps blood through the body?

Heart

200

What are three states of matter?

Solid, Liquid, Gas

200

What is the smallest particle of matter?

Atom

200

What is at the center of the solar system?

Sun

200

What insect is a common pollinator?

Bees

300

What process do plants use to make food?

Photosynthesis

300

What is the boiling point of water in Celsius?

100 degrees 

300

Which subatomic particle has a negative charge?

Electron

300

What galaxy do we live in?

Milky Way

300

What gas do plants produce during photosynthesis?

Oxygen

400

What gas do humans breathe in to survive?

Oxygen

400

What type of energy is stored in a stretched rubber band?

Potential energy

400

What gas do plants "breathe" in for photosynthesis?

Carbon dioxide

400

Which planet is the largest?

Jupiter

400

What do we call trash that is found on the ground?

Litter

500

What part of the cell controls the cell's activities?

Nucleus

500

What happens to the motion of particles when they get hotter?

They speed up

500

What pH is considered neutral?

7

500

What causes ocean tides on Earth?

Moon

500

What kind of renewable energy uses the air?

Wind energy