NGSS.5-PS1-3

What material would be safest to use as an insulator to cover electrical wires?

• rubber
• tin
• aluminum
• water

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NGSS.5-PS1-3

How can you describe this picture?

• liquid
• solid
• gas

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NGSS.5-PS1-3

Which mineral would scratch calcite but not scratch apatite?

• fluorite
• gypsum
• talc
• topaz

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NGSS.5-PS1-3

Which of these substances conducts electricity the best?

• wood
• brick
• copper
• plastic

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NGSS.5-PS1-3

Allows little to no light through.

• Transparent
• Translucent
• Opal
• Opaque

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NGSS.5-PS1-3

Clarissa wants to determine the best material to make a new type of cookware. What type of material should she choose?

• A material that can be easily bent into shape.

• A material that does not transmit electricity.

• A material that will remain hot to the touch.

• A material that conduct heats evenly.

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NGSS.5-PS1-3

The electrical wires in many homes are made of copper and covered with plastic. Why are copper and plastic good choices for electrical wires?

• Copper is a conductor of electricity, and plastic is an insulator of electricity.

• Copper is an insulator of electricity, and plastic is a conductor of electricity.

• Copper is a conductor of electricity, and plastic is an insulator of heat.

• Copper is an insulator of electricity, and plastic is a conductor of heat.

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NGSS.5-PS1-3

Which of these is a solid?

• air

• raindrop

• milk

• book

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NGSS.5-PS1-3

Which of these is the best conductor of electricity?

• Glass rod

• Cotton string

• Plastic tubing

• Copper penny

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NGSS.5-PS1-3

Is this item a conductor or insulator?

• conductor

• insulator

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NGSS.5-PS1-3