What is matter?
Anything that has mass and takes up space.
What is an element?
A material that can't be broken down into anything simpler. (or: a substance made of all the same atoms)
How do we know hydrogen and oxygen are elements?
Their atoms contain the same number of protons / they can't be broken down into anything simpler.
What do we call the smallest unit of matter?
Atoms.
What is electricity and what is it measured in?
The movement of electrons measured in joules (J).
What is a negative electrical charge shown as? What is a positive electrical charge shown as?
Minus sign / plus sign.
What causes static electricity?
The buildup of charged particles.
What does static electricity do to electrons?
Causes electrons to jump through the air to nearby protons.
What happens when a balloon with excess electrons is brought closer to a wall?
Static cling.
What is grounding?
Providing a return path for electrical currents through the earth, a large neutral conductor.
