Chemistry
Physics
Earth Science
Astronomy
100

Electron, protons, and neutrons

What are elements made of? 

100

The parabolic shape when guys pee

What is an example of a Projectile motion?

100

It is due to the Earth, rotating on its axis.

What causes the Earth to experience day and night?

100

The leading explanation how the universe began.

What is the Big Bang Theory?

200

Use of perfumes

How to eliminate (cover) bad body odors?

200

If a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force.

What is Newton's First Law of Motion?

200

The Moon

What is the Satellite of the Earth?

200

The bending of light due to moving hot and cold layers of air.

Why do stars twinkle?

300

100 degrees celcius at sea level

What is the boiling point of water?

300

It is the explanation which shows how space and time are linked for objects that are moving at a consistent speed in a straight line.

What is theory of relativity?

300

Oxygen, Silicon, Calcium, Sodium, and Pottasium.

What elements is the Earth mostly made of?

300

The accumulation of gas and dust. 

How are stars formed?

400

Saliva

What helps you to breakdown foods into a form that the body can use?

400

Gases and particles in Earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colors because it travels as shorter, smaller waves.

Why is the sky blue?

400

9.8 m/s2

What is the constant value of acceleration due to gravity on Earth?

400

It is the theory of the structure of the solar system (or the universe) in which Earth is assumed to be at the centre of it all.

What is geocentric model?