Circuits

What is an electrical circuit?

• lets you turn the energy on and off
• a closed path where where electricity flows
• stop electricity from flowing through

What is a battery?

• switch
• power source
• insulator

A student began building a circuit to light a bulb.  What else does the student need to produce light?

• a battery that has energy
• a wire that is insulated
• a switch that is open
• another bulb of the same size

Tags

NGSS.3-5-ETS1-1

NGSS.3-5-ETS1-2

An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —

• Point D to Point C
• Point B to Point C
• Point A to Point D
• Point B to Point D

Tags

NGSS.MS-ETS1-1

Which bulbs will light?

• 1 and 2
• 2 and 3
• 3 and 4
• 4 and 2

Which is NOT true of a series circuit

• One light bulb can be broken and other lights will still work.
• All loads are a single loop
• Adding more loads will lessen the current in the loop

What kind of circuit is this?

• Series
• Consecutive
• Parallel
• Training

Choose the correct sentence.

• This circuit will work because it is an open circuit.
• This circuit will work because it is a closed circuit.
• This circuit will NOT work because it is an open circuit.
• This circuit will NOT work because it is a closed circuit.

Why won’t the light bulb in the circuit pictured to the right light up?

• The wires from the second light bulb are not connected to the battery
• The wires are not connected between the light bulbs 
• The wires are not connected to both sides of the first light bulb
• The wires are too long to complete the circuit 

Tags

NGSS.4-PS3-2

Levi is wanting to light a bulb.  What does he need to get the bulb to light?

• A battery and a paper clip
• A battery and a wire
• A paper clip and a wire
• A switch and a wire