Unit assessment

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

• To make it look pretty

• To help electricity flow along the wire

• To make it safe

• To add more energy

Electricity is the flow of _________.

• Protons
• Neutrons
• Electrons

Electricity is the flow of _________.

• Protons
• Neutrons
• Electrons

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Current is...

• how fast the electrons are moving

• the flow of electrical charge

• the power source

• the amount of energy gained/lost across two points

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

• series circuit

• closed circuit

• parallel circuit

• light bulb

Which best describes a simple series circuit?

• Electricity flows along one pathway.
• The flow of electricity comes from the switch.
• Electricity flows along many pathways.
• The flow of electricity comes from the light bulb.

When all parts of the circuit are connected it is a ______ circuit. 

• open
• closed

What is a switch's function in a circuit?

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

When you flip a light switch on and off you are closing and opening a circuit.

• true
• false

This circuit is .....?

• open
• parallel
• closed
• shows the flow of electricity

Tags

NGSS.MS-PS2-5

NGSS.MS-PS3-5