Current and charge

Stops electrons

• Copper wire

• Rubber

• Conductor

• Insulator

All matter is made up of...

• Neutrons

• Protons

• Atoms

• Copper

Electrons are _____________ charged

• negative

• positive

• neutral

Protons move around the nucleus

• True

• False

Opposite charges...

• Repel

• Attract

• Stay

Conductors are materials that allow electric current to pass through them. A good example are metals

• True. Specially silver or copper

• False. A good example is glass

Insulators are materials that do not allow electric current to pass through them. Like...

• Plastics, wood, ceramics

• Plastics, silver, wood

• Ceramics, metals, plastics

• Metals, glass, plastics

Current is measured in....

• Amps 
• Volts
• Ohms
• Coulombs

What 'flows' in a wire?

• Protons
• Neutrons
• Atoms
• Electrons

this is the symbol for a _____?

• switch
• light 
• battery
• wires