materials that allow electricity or heat to travel through it. METALS and Water are good conductors.

• insulator

• conductor

• series circuit

• power source

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Materials that do not allow heat or electricity to flow. No Flow! Examples: rubber, plastic, wood, and cloth

• series circuit

• power source

• insulator

• conductor

provides the electrical energy for the circuit, the battery

• switch

• load

• power source

• wires

The component of a circuit that consumes the electrical energy. Example: light bulb, bell or motor.

• load

• switch

• power source

• circuit

a device that opens or closes a gap in a circuit

• switch

• load

• power source

• battery

 A light bulb changes electrical energy into

• light energy only
• heat and chemical energy
• light and heat energy
• light and chemical energy

What is a switch's function in a circuit?

• to make the current hotter or colder
• turn on and off the flow of current
• the pathway that current flows
• to add more power to the circuit

A class prepared some electrical circuits using battery, connecting wires, and three light bulbs.  Which of these circuits can make the three bulbs light?

• A
• B
• C
• D

Tags

NGSS.4-PS3-2

Electric current ____________, or travels smoothly in a closed circuit.

• sends

• insulates

• conducts

• flows

A _____________ lets the electrical current pass through and creates a closed circuit.

• thermal insulator

• thermal conductor

• electrical insulator

• electrical conductor