Electricity 5th Grade

Which of these best completes the circuit?

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

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

Electricians wear rubber gloves for protection. The purpose of the rubber gloves is to --

• keep the electrician dry

• create an electrical circuit

• produce electricity

• protect the electrician

Which of these substances conducts electricity the best?

• wood
• brick
• copper
• plastic

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

• rubber
• tin
• aluminum
• water

This instrument can be used to see if materials conduct electricity.  Which of these groups contains items that could all conduct electricity to complete the circuit?

• rubber ball, plastic comb, nail
• paper clip, penny, screw
• cork, dollar bill, tweezers
• pencil, eraser, spoon

Early scientists most likely saw a discharge of electricity for the first time when observing a --

• waterfall
• rainbow
• volcano erupting
• lightning storm

Benjamin Franklin conducted this famous experiment that showed lightning was --

• an electrical discharge
• a magnetic field
• a movement of air molecules
• a glowing chemical

Bits of paper are attracted to the surface of this balloon.  What attracts the paper pieces to the balloon?

• Friction
• Static Electricity
• Magnetism
• Potential Energy