Charged Particles

Who created the term “electric force” and when?

William Gilbert, 1600

Who discovered earth, fire, air, and water are not fundamental?

Chemists

What does atom mean in Greek?

Indivisble

What discovery about electric charge did Franklin make?

It is conserved

One kg = one _______ of water

Liter

Protons and neutrons have the same…

Mass

What is inertia?

Resistance to the change in motion

What keeps electrons orbiting around the nucleus?

Opposites attract

What is Newton’s first law of motion?

AN object’s inertia will allow it to keep going as long as there is no force to stop it

“Force” means?

The way one object can change another’s motion

What is Newton’s second law?

An object feeling a force accelerates in the direction of that force, more force=more acceleration

What is Newton’s third law of motion?

Every action has an equivalent reaction

What law says objects with more mass have greater resistance?

Newton’s second law

A proton has over _______ the mass of an electron

1000x

Why do electrons orbit the proton instead of the other way around?

Electrons weigh less