Physical Science - grade 10 - lesson 13

What Is Matter?

• Anything that has mass and takes up space.

• Anything that you can see or taste.

• What you can touch.

• Everything

Which state of matter has tightly packed molecules?

• solid
• liquid
• gas

What are the states of matter?

• solid, liquid, and juice
• solid and liquid
• solid and gas
• solid, liquid, and gas

As heat energy increases, temperature...

• increases

• decreases

• remains the same

• varies

During a PHASE CHANGE, like freezing, temperature...

• increases.

• decreases.

• does NOT change.

• varies.

Which arrow shows evaporation?

• 1

• 2

• 3

• 4

Which arrow shows freezing?

• 1

• 2

• 3

• 4

Which arrow shows condensation?

• 1

• 2

• 3

• 4

At what point is the substance melting or freezing?

• 1

• 2

• 3

• 4

• 5

At what point is the substance gas?

• 1

• 2

• 3

• 4

• 5