Question Bank for Grade 8 Science

Electricity is the flow of _________.

• Protons
• Neutrons
• Electrons

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

A complete electric circuit that allows electrons to flow along an uninterrupted path is called a/n ___________________.

• Open circuit

• Closed ciruit

• Electric circuit

• Series circuit

This circuit is .....?

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

Tags

NGSS.MS-PS3-5

NGSS.MS-PS2-5

Would would best complete this circuit?

• A wire
• A switch
• A battery
• A light bulb

Tags

NGSS.4-PS3-2