The Periodic Table.

This table has  all the elements we know. This is a web that has everything about the periodic table of  elements. This is it http://www.ptable.com/.

Program

Colorado University

When your there go to

play with sims.

Atom

Have you ever thought of the size of an atom?

An atom is the size of a millimeter cut into a 1.000 pieces, then one of those pieces cut into 10.000 pieces.
That in the size of an atom.

The Speed Of Light

Nothing travells as fast as the speed of light. It travells at 186.282 miles/s, that mean it can go roun are planet
7 times in one second.
Our planet is 92.935.700 miles away from the sun. It takes the speed of light 8minuts and 19seconds to get to us.

Einstein's theory

This theory meant that nothing is faster then the speed of light.

E= energy. M= mass. C^2=speed of light squared.

More Atom

Their are hundreds of types of atoms.
One of them is hidrogine.

Hidrogine is made of one proton and one electron.

But the question is what are electrons and protons made of?
Protons are made of quacs and electrons we don't know.

Program

I found a program that I think you would like. Its called  http://www.entercity.gr/html/scale-of-universe/