Electrical Energy

The flow of electricity requires a ____________________ circuit.

• A. open

• B. serial

• C. closed

• D. square

What supplies the electrical energy in a circuit?

• A. the wires

• B. the lightbulb

• C. the battery

• D. the switch

In a ____________________ circuit, all of the lightbulbs are connected in one path.

• A. parallel

• B. series

• C. complete

• D. perpendicular

Which of the following material is a good insulator of electricity?

• A. copper

• B. gold

• C. steel

• D. plastic

In a _______________ circuit the electric current has more than one path to follow.

• A. parallel

• B. series

• C. complete

• D. perpendicular

Why doesn't the lightbulb shown below light up when used in a circuit?

• A. The flow of electricity needs a closed circuit and the lightbulb is broken.

• B. The flow of electricity needs a circular circuit and the lightbulb is broken.

• C. The flow of light current needs a closed circuit and the lightbulb is broken.

• D. These type of lightbulbs don't work in a circuit.

The circuit above has five light-emitting diode (LED) lightbulbs. Which LED bulbs will light up in the circuit above?

• A. LEDs 1,2, and 3

• B. LEDs 1, 2, and 5

• C. LEDs 1, 2, 3, and 5

• D. All of the LEDs light up

Tags

NGSS.MS-PS2-3

Which wires can be removed from the circuit above without breaking the circuit?

• A. Wires 1 and 2

• B. Wires 2 and 3

• C. Wires 3 and 4

• D. Wires 4 and 5

Which lightbulbs will remain lit when bulb 3 is unscrewed from the circuit?

• A. Bulb 1 only

• B. Bulbs 1 and 2

• C. Bulbs 1, 2 and 4

• D. None of the bulbs

Tags

NGSS.MS-PS2-3

Which question was the students most likely trying to answer using the circuit shown above?

• A. Does a wood block supply electrical energy?

• B. Does a circuit need a switch to work?

• C. Does wood conduct electricity?

• D. Can an electrical circuit ring a bell?

Tags

NGSS.MS-PS2-3