Human Anatomy
Animal Kingdom
Physics Principles
Earth Science
Space Exploration
100

What is the largest organ in the human body?

What is the skin?

100

Which mammal is known to lay eggs?

What is the platypus?

100

What is the term for the force that attracts two bodies toward each other?

What is gravity?

100

What is the largest ocean on Earth?

What is the Pacific Ocean?

100

What planet is known as the Red Planet?

What is Mars?

200

How many bones are in an adult human body?

What is 206?

200

What is the fastest land animal?

What is the cheetah?

200

Who is known for the theory of relativity?

Who is Albert Einstein?

200

What layer of Earth is liquid and composed mainly of iron and nickel?

What is the outer core?

200

Who was the first human in space?

Who is Yuri Gagarin?

300

Which organ is responsible for pumping blood?

What is the heart?

300

Which bird is known for its ability to mimic sounds?

What is the lyrebird?

300

What is the unit of electrical resistance?

What is the ohm?

300

What natural phenomenon occurs due to the rotation of the Earth?

What is the Coriolis effect?

300

What spacecraft was the first to land on the Moon?

What is Apollo 11?

400

What type of joint is found in the shoulder?

What is a ball-and-socket joint?

400

What is the largest species of shark?

What is the whale shark?

400

What law states that energy cannot be created or destroyed?

What is the law of conservation of energy?

400

Which gas is most abundant in the Earth's atmosphere?

What is nitrogen?

400

What is the name of our galaxy?

What is the Milky Way?

500

What part of the brain is responsible for coordination?

What is the cerebellum?

500

Which animal is known as the "king of the jungle"?

What is the lion?

500

What is the term for the energy of motion?

What is kinetic energy?

500

What scale is used to measure the magnitude of earthquakes?

What is the Richter scale?

500

What force keeps planets in orbit around the sun?

What is gravity?