Biology
Chemistry
Physics
Earth and Space
Fun Facts
100

Which organ in the human body is responsible for pumping blood?

The heart
100

What is the chemical formula for water?

H2O

100

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

Gravity

100

What layer of the atmosphere contains the ozone layer?

The stratosphere

100

What are the enormous, rigid pieces of Earth's crust and upper mantle that fit together like a jigsaw puzzle and move over the semi-fluid layer below them?

Tectonic plates

200

What is the hard outer covering on insects called?

The exoskeleton

200

What is the smallest unit of matter?

An atom

200

What is the law of motion that states: "For every action, there is an equal and opposite reaction."

Newton's third law

200

What is the name of the largest ocean on Earth?

The Pacific Ocean

200

What famous comet visits our solar systems approximately every 76 years?

Haley's comet

300

What is the name of the process by which plants make food using sunlight, water, and carbon dioxide?

Photosynthesis

300

What is the most abundant gas?

Nitrogen (makes up 78% of the air)

300

What is the unit of measurement for power? (think physics boxes)

Watt

300

What is the study of Earth's atmosphere and weather called?

Meteorology

300

What prestigious international award is given annually for achievements in various fields, including physics, chemistry, and medicine?

The Nobel Prize

400

What is the largest organ of the human body?

The skin

400

What is the process called when gas turns directly into a solid?

Deposition

400

Which famous scientist formulated the laws of motion and universal gravitation? (first and last name)

Isaac Newton

400

What is the name of the galaxy containing our solar system?

The Milky Way Galaxy

400

Who is the scientist known for formulating the theory of evolution by natural selection?

Charles Darwin

500

What is the name of the tiny, thread-like structures that carry genetic information in cells?

DNA (deoxyribonucleic acid)

500

What is the formula for table salt (sodium chloride)

NaCl

500

What is the force that pushes objects apart when they are in close proximity?

Repulsion

500

Which planet has the most moons?

Jupiter

500

What is the smallest bone in the human body?

The stirrup bone / The stapes