REVIEW CHAPTER 5 PROPERTIES OF MATTER

What is matter?

• Anything that has color

• Anything that takes up space and has mass

• Only solid objects

• Only liquids and gases

 Which of the following is NOT a state of matter?

• Solid

• Liquid

•  Gas

•  Energy

What happens to ice cream on a warm day?

• It freezes

• It evaporates

• It sublimes

•  It melts

Which of these has the most mass?

• An inflated balloon

•  A deflated balloon

• They have the same mass

• It's impossible to tell without weighing them

What is the melting point of a substance?

• The temperature at which it changes from a solid to a gas

• The temperature at which it changes from a liquid to a solid

• The temperature at which it changes from a solid to a liquid

• The temperature at which it changes from a gas to a liquid

Which of these is a good thermal conductor?

•  Wood

• Plastic

• Rubber

• Iron

What is thermal conductivity?

• The ability to conduct electricity

• The ability to conduct heat

• The ability to change shape

• The ability to change shape

Why are electrical wires often covered in plastic?

•  To make them look nicer

• To make them stronger

• To protect people from electric shocks

• To conduct electricity better

What happens during evaporation?

• Liquid particles throughout the substance turn into gas

• Only particles at the surface of the liquid turn into gas

• The liquid turns directly into a solid

• The gas turns back into a liquid

At what temperature does water boil?

•  0°C

•  50°C

•  75°C

• 100°C