Benchmark Review

If you replace the paper clip with a plastic spoon, what happens?

• The bulb doesn't work

• The bulb is dimmer
• The wires get hot
• There is no change

Which one is a conductor? 

• wood 
• iron 
• plastic spoon 
• paper 

Electricity is the flow of _________.

• Protons
• Neutrons
• Electrons

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A material in which electrons are able to move easily

• Circuit
• Insulator 
• Resistance 
• Conductor 

Tags

NGSS.HS-PS2-5

The electrician in this picture is wearing rubber gloves for protection.  The purpose of the rubber gloves is to --

• keep the electrician dry
• create an electrical circuit
• produce electricity
• protect the electrician

What types of charges attract?

• Positive and Positive
• Positive and Neutral
• Negative and Neutral
• Positive and Negative

Lightning is _____.

• a buildup of neutrons
• harmless
• a high-voltage electric current
• a large discharge of static electricity

The girl's hair and the comb are attracting  one another.  The hair and the comb have

• opposite charges
• like charges

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What are the components of a simple circuit?

• wires, switch, outlet
• battery, switch, motor
• wires, light bulb, motor
• wires, battery, light bulb

Is burning wood a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

NGSS.MS-PS1-4