The flow of negative electric charges or electrons

• electric circuit

• electric current

• magnets

• fuel cells

Current that moves in only one direction

• backwards current

• alternating current

• direct current

• front current

The three parts of a simple circuit are:

• source of power, electric circuit, electric device

• source of waste, electric conductor, electric device

• source of power, electric conductor, electric electrons

• source of power, electric conductor, electric device

A can of chemicals

• battery

• radio

• magnet

• sneaker

How electrons are counted

• by thousands

• by fingers

• by coulomb

• by one electron at a time

Does not make pollution

• plastic

• fuel cells

• styrofoam

• burning wood

This is the relationship between electricity and magnetism

• visible light

• Electricity

• magnetism

• Electromagnetism

All magnets have these

• neither north or south poles or two magnetic poles

• both a north and a south pole and two magnetic poles

• a north and a south pole

• two magnetic poles

Why does the south pole of a magnet attract the north pole of a magnet?

• opposite poles attract

• similar poles attract

• apposite poles repel

• similar poles repel

When two magnets attract, they ______________

• push apart
• change color
• get colder
• pull together

Tags

NGSS.3-PS2-3