5th Grade Topic 3 Summative Review

Petra and Isaac are building an electric circuit. Petra thinks that the circuit is complete because the switch is down, but Isaac thinks the circuit is not complete. Who is correct and why?

• Isaac is correct because the switch needs to be open for the circuit to be complete.

• Petra is correct because the fan needs electricity to run.

• Isaac is correct because the batteries are connected to the switch.

• Petra is correct because the switch needs to be down to complete the circuit.

Manny is building an electrical circuit. Which parts does Manny need for the circuit to work correctly? Select three correct answers.

• switch

• string

• wire

• rubber band

• power source

Which of the circuits in the image will cause the bulb to light up?

• A

• B

• C

• None of them

Tags

NGSS.4-PS3-2

Eliana uses a balloon to investigate how two objects can attract one another without touching. She rubs the balloon on her hair. Then she holds the balloon near her head without touching it to her head. Which statement explains the results of the investigation?

• Eliana’s hair moves away from the balloon because both the balloon and her hair gained positive charges.

• Eliana’s hair moves away from the balloon because both the balloon and her hair gained negative charges.

• Eliana's hair sticks up and is pulled toward the balloon because the balloon gained a negative charge, and her hair gained a positive charge.

• Eliana's hair sticks up and is pulled toward the balloon because the balloon gained a positive charge and her hair remained uncharged.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Janelle rubs a piece of plastic wrap with wool. Then she rubs a second piece of plastic wrap with wool. In the next part of the investigation, she will hold the two pieces of plastic wrap close to one another. What should she expect to happen to the objects?

• They will attract because objects with like charges attract.

• They will attract because materials without a charge attract.

• They will repel because materials with like charges repel.

• They will repel because materials with unlike charges repel.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Tyler is using a plastic ruler, a piece of wool, and small pieces of paper to investigate static electricity. He rubs the ruler on a piece of wool. Then he holds the ruler close to the paper. What will happen and why?

• The ruler attracts the paper because both the ruler and paper have negative charges.

• The ruler attracts the paper because the ruler has a negative charge and the paper is uncharged.

• The ruler repels the paper because the ruler has a negative charge and the paper has a positive charge.

• The ruler will neither repel nor attract the paper because the ruler has a negative charge and the paper is uncharged.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A student rubs a balloon with a piece of wool. They then hold the balloon above a plate of oats. Their observation is shown. Which statement explains what they observed?

• The balloon gained a negative charge when rubbed with the wool and attracted the negatively-charged oats.

• The balloon gained a negative charge when rubbed with the wool and attracted the uncharged oats.

• The balloon lost its charge when rubbed with the wool and attracted the negatively charged oats.

• The balloon gained a positive charge and attracted the positively charged oats.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which object conducts electricity?

• rubber boots

• drinking glass

• wood bench

• metal statue

Which objects do NOT conduct electricity? Select all that apply.

• aluminum foil

• silver tea pot

• gold necklace

• plastic toy

A class wants to use a balloon to move an empty aluminum can across a table

without the balloon ever touching the can. How can they accomplish this task?

If the balloon has a negative charge, the aluminum can must have a ___________ charge, which will cause the objects to _____________.

• negative, attract

• positive, repel

• negative, repel

• positive, attract

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5