Electricity Unit Review

Electrical lights will not come on unless their electrical circuit is a --

• parallel circuit
• series circuit
• closed circuit
• short circuit

A fifth grade class constructed this circuit.  Which of these objects most likely made the light glow when connected to points X and Y?

• plastic straw
• cotton string
• aluminum foil
• rubber eraser

Tags

NGSS.4-PS3-2

Which of these best completes the circuit?

• rubber band
• metal nail
• leather shoelace
• wooden toothpick

What material would be safest to use as an insulator to cover electrical wires?

• rubber
• tin
• aluminum
• water

Will the light bulb in this circuit light and why/why not?

• yes, because it has two batteries
• no, because the switch is open
• yes, because it is in a circuit
• no, because the bulb is burned out

What one is NOT a conductor.

• Water

• Plastic

• Metal

• Human Body

Which one is NOT an insulator.

• Plastic

• Rubber

• Paper

• Water

A great conductor of energy is:

• wood
• plastic
• metal
• cloth

This is an example of a ______ circuit

• Series
• Parallel
• Open
• Dihexihedral

This is an example of a _______ circuit

• open
• series
• parallel
• square