Science test

According to the image, choose the correct option

• This circuit will work because it is an open circuit

• This circuit won't work because it is an closed circuit

• This circuit won't work because it is an open circuit

• This circuit will work because it is an closed circuit

Electric current is a flow of electric charge carried by moving electrons in a ___________

• Wire

• Battery

• Cell

• motor

This is the circuit symbol for

• Light bulb

• wire

• motor

• buzzer

This is the circuit symbol for

• Motor

• battery

• wire

• cell

Which of the following circuits have different amounts of electricity flowing through them?

• Parallel circuits

• Closed circuits

• Open circuits

• Series circuits

All of the following are examples of conductors EXCEPT:

• Aluminum

• Glass

• Copper

• Water

Which of the following best defines a closed circuit?

• Does allow the electricity or electrons to flow through the wires, a switch is off.

• Does allow the electricity or electrons to flow through the wires, a switch is on.

• Does not allow the electricity or electrons to flow through the wires, a switch is off.Does not allow the electricity or electrons to flow through the wires, a switch is off.

• Does not allow the electricity or electrons to flow through the wires, a switch is on.

All of the following are examples of insulators EXCEPT:

• Porcelain

• Plastic

• Trees

• Rubber

A _________________ can help in decreasing or increasing the voltage as the electricity travels to homes and businesses through transmissions lines.

• voltage

• transformer

• meter

• power grid

This is the circuit symbol for

• motor

• wire

• light bulb

• battery