Human Body
Famous Scientists
Outer Space
Chemistry
Misc
100

These organs filter blood, and remove wastes and extra water to make urine. 

Kidneys

100

Legend has it that an apple fell on this scientists head leading to his discovery of gravity.

Sir Isaac Newton

100

What is the largest planet in the solar system?

Jupiter

100

In the Elephant Toothpaste experiment, what was the name of the chemical that was broken down to release oxygen? (Hint: water with an extra oxygen on it)

Hydrogen Peroxide

100

True or False: Up to 1000 different species of bacteria live in the human large intestine.

True 

200

The majority of the human body is composed of this.

Water

200

This scientist is famous for developing the theory of general relativity and sticking his tongue out in a photo.

Albert Einstein

200

What is our galaxy called?

The Milky Way

200

What do we call a substance that measures 0-6 on the pH scale, tastes sour, and conducts electricity?

Acid

200

The nucleus of an atom contains these two subatomic particles.

Protons and neutrons. 

300

What is the largest human organ? (hint: think outside the body)

Skin

300

This lady of science conducted pioneering experiments on radioactivity and was the first woman to ever win a Nobel Prize. (She is also the only person who has ever won two Nobel Prizes in different scientific fields)

Marie Curie

300

True or false: It takes 20 minutes for light to travel from the Sun to Earth. 

False (it takes 8 minutes)

300

The chemical sodium chloride is commonly known as this household product? (Hint: a little pinch of this adds a lot of flavour)

Table salt

300

True or false: Solid water (ice) is more dense than liquid water. 

False

400

This is commonly known as the powerhouse of the cell

Mitochondria

400

This scientist is famously known as the Father of Evolutionary Theory.

Charles Darwin

400

True or False: The sun is the biggest star in the universe.

False (the biggest star is VY Canis Majoris and it's 3 billion times larger in volume than the sun)

400

This subatomic particle has negligible mass and carries a negative charge. 

Electron

400
Name a mammal that can lay an egg. 

Platypus

500

These blood vessels carry oxygenated blood away from the heart.

Arteries

500

This famous electrical engineer has a car brand named after him. 

Nikola Tesla

500

Who was the first human being to travel into space? 

Yuri Gagarin

500

This is used to speed up chemical reactions (Hint: it was the role of the yeast in the Elephant Toothpaste experiment)

Catalyst

500

Oranges are especially rich in this vitamin. 

Vitamin C