Biology
Chemistry
Physics
CompSci
Astronomy
100

The smallest living unit

What is a cell?

100

This is the lightest and most abundant element in the universe.

What is hydrogen?

100
Difference between velocity and speed

What is direction?

100

The "brain" of the computer.

What is a CPU?

100

The smallest planet in the solar system

What is mercury?

200

This is the largest organ in the human body.

What is skin?

200

In a solution this is the thing being dissolved into the solevent. 

What is a solute?

200

According to Newton’s First Law, an object at rest tends to stay at rest due to this property.

What is inertia?
200

The lowest level language

What is binary?

200

This nuclear reaction, used in the famous tsar bomba keeps supermassive stars from supernova into neutron stars and/or blackholes.

What is nuclear fusion?

300

In genetics, this is the term for an alternate version of a gene that can result in different traits, like eye colour.

What is an allele?

300

A bond of relatively equal electron sharing 

What is a covalent bond?

300

This particle carries electromagnetic radiation like visible light, X-rays and gamma radiation.

What is a photon?

300

This type of memory is volatile, meaning it loses all stored data when the power is turned off.

What is RAM (random access memory)?

300

This is the colour of the hottest stars in the universe.

What is blue?

400

This is the process by which a single cell divides into two identical daughter cells for growth and repair.

What is mitosis?

400

This element is the fundamental building block of organic chemistry.

What is carbon?

400

This fundamental particle carries a negative electric charge and orbits the nucleus of an atom.

What is an electron?

400

This british scientist led the team that cracked the enigma code in the second world war

Who is Alan Turing

400

Pluto is the most famous member of this asteroid belt that surrounds the inner 8 planets and the sun.

What is the kuiper belt?

500

This is the universal blood donor type, meaning it can be given to patients of any other blood group.

What is O negative?

500

This law states that for a fixed amount of gas at a constant temperature, pressure and volume are inversely proportional.

What is boyles law?

500

The C in e=mc^2.

What is the speed of light?

500

The observation that the amount of transistors approximately doubles on a microchip each year

What is moore's law?

500

This is the only planet with a density lower than water

What is saturn?