Basics of Bio
Famous Scientists
Our Universe
Misellaneous
Chemistry Classics
100

What is the pH of water?  

pH = 7

100

Who discovered gravity?

Isaac Newton

100

What is the name of our galaxy?

The Milky Way

100

What do you call a baby frog? 

Tadpole

100

What are the three states of matter called?

Solid, Liquid, Gas

200

What is the smallest unit of life?

The cell

200

Who is credited with coming up with the theory of evolution?

Charles Darwin

200

Who was the first human to walk on the moon?

Neil Armstrong

200

What is the hardest natural substance found on Earth?

Diamond

200

What is the symbol for iron on the periodic table?

Fe

300

How many bones are in a human body?

206

300

 Who is considered the "father" of the scientific method?

Galileo

300

What country was the first to launch a satellite into orbit?

The Soviet Union

300

What is the largest organ in the human body?

Skin

300

For which element is K the chemical symbol?

Potassium

400

What connects muscles to bones?

Tendons

400

Who invented scissors?

Leonardo Da Vinci

400

In 2025, what pop singer was launched into space?

Katy Perry

400

What is the largest desert in the world?

Antarctica

400

What gas is made when acids react with metals?

Hydrogen

500

What is the full name for DNA?

Deoxyribonucleic acid

500

In which field did Marie Curie and her daughter Irene-Joliot Curie both win the Nobel Prize?

Chemistry

500

What was the first manmade satellite to orbit Earth?

Sputnik 1

500

What does a Geiger counter measure?

Radiation

500

What is hydrogen oxide?

Water

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