Space Stuff 🚀
Body & Brain 🧠
Everyday Science 🔬
Forces of Nature 🌍
Famous Scientists 👩‍🔬
100

This “Red Planet” is home to the tallest volcano in the solar system.
 

What is Mars?

100

This organ pumps blood throughout your body.
 

What is the heart?

100

This man is credited with inventing the lightbulb.

Who is Thomas Edison?

100

The force that pulls objects toward Earth.

What is gravity?

100

He discovered gravity when (legend says) an apple fell on his head.

Who is Isaac Newton?

200

The Sun is mostly made of this gas.

What is hydrogen?

200

The hippocampus is important for this mental process.

What is memory?

200

This is the chemical symbol for table salt.

What is NaCl?

200

A measure of how fast something is moving.

What is speed?

200

She was the first woman to win a Nobel Prize, known for her work on radioactivity.

Who is Marie Curie?

300

This planet rotates on its side, earning it the nickname “the sideways planet.”

What is Uranus?

300

This protein gives skin and hair their structure.

What is keratin?

300

This common liquid has the chemical formula H₂O₂ and is used to disinfect wounds.

What is hydrogen peroxide?

300

This spinning force keeps water in a tilted bucket when you swing it in a circle.

What is centrifugal force?

300

This scientist developed the theory of evolution by natural selection.

Who is Charles Darwin?

400

The Great Red Spot is a giant storm on this planet.

What is Jupiter?

400

The largest part of the human brain, responsible for thinking and movement.

What is the cerebrum?

400

The Wright brothers are famous for inventing this machine.

What is the airplane?

400

The scale used to measure earthquake strength.

What is the Richter scale?

400

He came up with the famous equation E = mc².

Who is Albert Einstein?

500

This is the name for the boundary where nothing, not even light, can escape a black hole.

What is the event horizon?

500

This scientist is known as the “father of psychoanalysis.”

Who is Sigmund Freud?

500

This scientist discovered that bacteria could be killed by heat, a process now named after him.

Who is Louis Pasteur?

500

The center of a hurricane is called this.

What is the eye?

500

He mapped the human circulatory system in the 1600s.

Who is William Harvey?

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