Physical Properties

Katy needs to get cookies out of the oven. The cookies are on a metal pan. What does Katy need to take out the cookies safely?

• Cotton oven mitts, because metal conducts thermal energy

• Cotton oven mitts, because metal insulates thermal energy

Which item would be attracted to a magnet?

• silver dollar

• copper penny

• iron key

• Aluminum can

What are the three states of matter?

• freezing, melting, boiling

• solid, liquid and gas

• volume, shape, color

What tool can be used to measure volume?

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If a ball of plastic floats in water it must be...

• more dense than the water
• a good insulator

• has the same density as water
• less dense than the water

Most metals are good...

• magnets

• insulators

• conductors

• aerogels

Conductivity is a physical property of matter that describes its ability to —

• reflect light from its lustrous surface.

• exist in nature as a solid, liquid, or gas.

• be hammered and rolled into thin sheets.

• transfer thermal and electrical energy.

If matter sinks in water it is

• less dense.

• buoyant.

• least dense.

• more dense.

A cook uses the ingredients listed to prepare a meal. Which table correctly show the physical properties of these ingredients when placed in hot water? (5.5A)

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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. Based on these observations, which container most likely holds only gas? (5.5A)

• Container 1

• Container 2

• Container 3

• Container 4