SC6: 2.1 - 2.2 Properties and Changes

Open Ended

What is one thing that is the same about boiling and evaporation?

Open Ended

Write down two things that are different about the two processes (boiling and evaporation).

Open Ended

Why is working with boiling oil more dangerous than working with boiling water?

Multiple Choice

Which of the following is a reason why electrical plugs are made of plastic?

• Plastic is a good conductor of electricity

• Plastic is a good electrical insulator

• Plastic is cheaper than metal

• Plastic is heavier than metal

Fill in the Blank

Fill in the blank: A wooden spoon is good for stirring soup because wood is a poor conductor of ___.

Multiple Choice

Which of the following statements about plasma and Bose-Einstein condensate is correct?

• Plasma is found only in laboratories, not in nature.

• BECs are commonly found in stars and lightning.

• Plasma contains free electrons that can conduct electricity.

• BECs occur at high temperatures.

Open Ended

Why do some cooking pots have a copper bottom?

Multiple Choice

Which of the following is NOT a reason why silver is not used to make cooking pots?

• Silver is too expensive.

• Silver is a soft metal that can easily dent.

• Silver is a poor conductor of heat.

• Silver cookware has high cost and practical issues.

Open Ended

Based on the information from all three images, which materials are considered good conductors of heat and why is this property important for cooking?

Open Ended

What is one thing you learned today about the states of matter (solids, liquids, and gases) that surprised you or made you think differently?

Open Ended

Different liquids boil at different temperatures. Explain why this is so.