Lesson 1 Intro to Electricity

The foundation of all our modern electrical machinery and equipment is

• Science

• Physics

• Electricity

• Electromagnatism

What is the name for electricity in motion?

• Static electricity

• Current electricity

• Flowing electricity

• Electromagnatism

Anything that has mass and occupies space is called (a/an)

• Fluid

• Electron

• Solid

• Matter

Each molecule of a compound consists of the same number and kind of

• Elements

• Atoms

• Protons

• Neutrons

Most of the mass of an atom is concentrated in the

• Nucleus

• Core

• Electron

• Proton

When the number of protons in the nucleus equals the number of orbiting electrons, the atom is electrically

• Charged

• Complete

• Neutral

• Inert

The strongest forces for objects of the same size and separated by the same distance are

• Electrical

• Gravitational

• Magnetic

• Nuclear

Two objects having the same charge will ___ each other

• Attract

• Repel

• Not affect

• Either attract nor Repel

Electrons flowing from one place to another make a

• Track

• Channel

• Circuit

• Current