CA3 review

Which material would BEST allow electricity to flow through it?

• Plastic spoon

• Rubber band

• Metal paper clip

Which object is a conductor of electricity?

• Aluminum foil

• Wooden ruler

• Glass cup

Which material is an insulator that would NOT allow electricity to flow easily?

• Metal nail

• Plastic cup

• Copper wire

Which material is a conductor of electricity?

• Copper wire

• Rubber band

• Plastic spoon

In which mixture do all the components maintain their physical state?

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• 
• 

Tags

NGSS.MS-PS1-2

Which mixture shows that all components keep their physical state?

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• 
• 

Tags

NGSS.MS-PS1-4

What happens to a balloon when the air is allowed to escape?

• It drops straight down to the groundballoball

• It stays still because the string holds it in place

• It moves along the string away from the direction the air is released

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of these best completes the circuit?

• rubber band
• metal nail
• leather shoelace
• wooden toothpick

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

The circuit does not work. Which procedure would most likely allow the bulbs to light?

• Close the switch.

• Remove Wire 1.

• Remove Wire 6.

• Remove a battery.

Tags

NGSS.MS-ETS1-1

How many bell(s) would ring if Wire X were removed?

• 0

• 1

• 2

• 3

• 4