Unit 4 Concepts 1 & 2: Charge and Current

Anything that has mass and takes up space.

• atom

• matter

• electron

• electricity

The net movement of electric charge in a single direction.

• electric current

• electricity

• voltage difference

• circuit

The simplest form of matter.

• cells

• protons

• atoms

• matter

What is electric current measured in?

• volts

• amps

• ohms

• joules

Which of the following is a subatomic particle?

• proton

• neutron

• electron

• all of these are subatomic particles

The push that causes charge to move?

• electric current

• resistance

• ohm's law

• voltage difference

Protons have what type of charge?

• positive

• negative

• neutral

• disappearing

Electrons have what kind of charge?

• positive

• negative

• neutral

• static

What charge does a neutron have?

• positive

• negative

• neutral

• current

What is voltage difference measured in?

• volts

• ohms

• amps

• newtons