Front

Why is electrical wiring usually covered with a layer of plastic?

Back

To make it safe

Front

Why is electrical wiring usually made from copper?

Back

Because copper conducts electricity

Tags

NGSS.MS-ETS1-1

Front

Which of the following materials is an electrical conductor? Plastic spoon, Silver-colored plastic spoon, copper spoon, wooden spoon

Back

copper spoon

Front

A material that does NOT let electricity pass through it is called ...

Back

An electrical insulator

Front

What is a circuit with several paths for electricity to flow?

Back

parallel circuit

Front

What is a circuit that only has ONE path for electricity to flow?

Back

series circuit

Front

An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —
Options: Point D to Point C, Point B to Point C, Point A to Point D, Point B to Point D

Back

Point A to Point D

Front

This circuit has a battery, buzzer, and switch.
When the switch is closed the buzzer will sound because -
Options: the switch gives energy to the battery, the buzzer is made of special plastic, the wires are cooled by the surrounding air, electricity can flow in a complete path

Back

electricity can flow in a complete path

Tags

NGSS.3-PS2-3

NGSS.4-PS3-2

Front

Which of the following can work as an energy source? Options: Battery
, Light bulb, Wire
, All of them

Back

Battery

Tags

NGSS.4-PS3-2

Front

Which bulbs will light? Options: 1 and 2, 2 and 3, 3 and 4, 4 and 2

Back

3 and 4