Electricity

Which item would complete it between Point A and Point B to allow current to flow?

• drinking straw

• rubber band

• paper clip

• string

A material that does not allow electricity to flow through it is called a(n) —

• insulator

• conductor

• dry cell

• circuit

A toaster can best be described as transforming electrical energy into –

• magnetic energy

• radiant energy

• mechanical energy

• thermal energy

Tags

NGSS.MS-PS3-3

What is most likely causing the hair to stick to the balloon?

• static electricity

• current electricity

• gravity

• a circuit

Tags

NGSS.MS-PS2-3

Which TWO objects are most likely magnetic?

• staple

• pencil

• balloon

• glass

• nail

Tags

NGSS.MS-PS2-3

Which is NOT an example of the transformation of electrical energy to mechanical energy?

• fan

• blender

• drill

• lamp

Tags

NGSS.MS-PS3-5

This simple circuit allows electricity to flow because it —

• is closed

• is open

• has a light bulb

• contains iron

According to the list, what is the student most likely investigating?

• how circuits work

• types of conductors

• insulating materials

• changed particles

Tags

NGSS.MS-PS2-3

A student needs a piece of wire that is 4 cm in length to complete a circuit. According to this ruler, how much wire does the student need to cut off to make the wire 4 cm long?

• 4 cm

• 5 cm

• 9 cm

• 3 cm

An engineer designed the electromagnet above to pick up metal pieces at a local recycling factory. What is the best explanation of why the metal pieces might drop to the ground?

• The electromagnet can only be used one time.

• The metal pieces need to be turned over.

• The flow of electric current in the electromagnet could stop.

• The internal wires might become overheated.

Tags

NGSS.MS-ETS1-1