Grade 3 - Electricity

Sally is creating a model to show what happens when electricity is used.  She decided to show the motor spinning below as her model. How could she best explain what is happening?

• Electric energy is transformed into energy of motion.
• Heat energy is transformed into energy of motion.
• Heat energy is transformed into electric energy.
• Electric energy is transformed into light energy.

Tags

NGSS.MS-PS3-5

A student was playing music on her new cell phone.    The teacher explained that the phone was powered by a battery. The teacher then asked her to explain what was happening to the energy in her new phone.   How could she best explain this to the class?

• Electric energy is transformed into sound energy.
• Light energy is transformed into sound energy.
• Sound energy is transformed into electric energy.
• Sound energy is transformed into electric energy.

Tags

NGSS.MS-PS3-5

A student wants to use the diagram below to explain what happens when the light bulb turns on. How could she best explain what is happening?

• Light energy is transformed to electric energy.
• Electric energy is transformed to light energy.
• Electric energy is transformed to motion energy.
• Motion energy is transformed to electric energy.

Tags

NGSS.4-PS3-2

Will this circuit light the bulb? 

• Yes
• No

Will this circuit light the bulb? 

• Yes
• No

Tags

NGSS.MS-ETS1-1

Will the light bulb light up if the switch remains open as shown?

• Yes, because the circuit will be complete.
• Yes, because the battery will push the electric current.
• No, because the electric circuit is not complete.
• No, because the battery will push the electric current.

The circuit  lights the light bulb. What is the purpose of the switch in the circuit?

• to push the electric current
• to open and close the circuit
• to insulate the circuit
• to make the electricity

Tags

NGSS.4-PS3-2

Would these magnets repel or attract? 

• Repel
• Attract

Tags

NGSS.3-PS2-3

Would these magnets repel or attract? 

• Repel
• Attract

Tags

NGSS.3-PS2-3

NGSS.3-PS2-4

Would these magnets repel or attract? 

• Repel
• Attract

Tags

NGSS.3-PS2-3

NGSS.3-PS2-4