NGSS.5-PS1-3

Mg

• Magnesium
• Manganesse
• Iron
• Germanium

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NGSS.5-PS1-3

Which of these is a liquid?

• Steam
• Ice
• Water
• Flour

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NGSS.5-PS1-3

Hardness is a property that helps identify minerals.  Scientists use a scale of 1-10 to show the hardness of a mineral. 

• true
• false

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NGSS.5-PS1-3

Two wires carrying electricity can create a spark if they come too close together. This spark can start a fire. Wires carrying electricity are usuallly covered  with plastic to keep them from starting a fire. Why does the plastic keep electricity from starting a fire?

• Plastic is a good insulator.
• Plastic can melt when heated.
• Plastic is softer than wire.
• Plastic conducts electricity.

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What is an example of a conductor?

• A wooden block
• A plastic fork
• A styrofoam cup
• Aluminum foil

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Which object does NOT conduct electricity?

• copper wire

• iron nail

• salt water

• wood

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What part of matter can be observed with the senses like size, shape, color, and how it feels?

• physical property
• liquid
• solid
• gas

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NGSS.5-PS1-3

A teacher gives a student four clear sealed containers. Each container holds a different substance. The student records some observations about the substance in each container.

Container 1: The substance takes the shape of the container and is clear. Small particles float on top of the substance.

Container 2: The substance is hard and cube-shaped. The surface of the substance is shiny.

Container 3: The substance is not visible, and the container appears empty.

Container 4: The substance is cold and made of crystals.

Based on these observations, which container most likely holds only gas?

• Container 1

• Container 2

• Container 3

• Container 4

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NGSS.5-PS1-3

Is a paper clip a conductor or insulator?

• conductor

• insulator

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NGSS.5-PS1-3

Julie and Michael have two white materials made up of crystals. They need to figure out whether they are the same or different. What observations would be useful for determining whether they are the same material? Choose all that apply.

• the size of the crystals

• the weight of the material

• whether the material dissolves in water

• whether adding vinegar makes bubbles

• the temperature at which it melts and turns into a liquid

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NGSS.5-PS1-3