Electricity

A material that allows the free flow of electric charges.

• Conductor

• Insulator

• Semiconductor

What type of circuit is shown in the picture?

• Series circuit

• Parallel circuit

• Open circuit

When an electric current can travel along more than one path, it is traveling in a—

• Open circuit

• Series circuit

• Closed circuit

• Parallel circuit

The buildup of charges on an object is called

• Current electricity

• Static electricity

• Electromagnetism

• Magnetic field

What type of circuit is shown in the picture?

• parallel circuit

• open circuit

• series circuit

What type of material does not allow electrons to flow easily?

• Semiconductor

• Conductor

• Insulator

• Circuit

What is the effect of changing the wire in a circuit from a thick wire to a thin wire?

• The overloaded bulb will blow out.

• The bulb brightness stays the same.

• The bulbs become dimmer.

• The bulbs become brighter.

What is a circuit?

• The buildup of electric charges

• A complete, closed path through which electric charges flow

• Opposition to the flow of charge

• Electric potential

Ms Pippin rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?

• The balloons will repel each other.

• The balloons will attract each other.

• The balloons will become positively (+) charged.

• The balloons will pop.

If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?

• A positive charge.
• A negative charge.
• A neutral charge
• No charge at all