8.2 Review

Which statement is correct?

• Corn syrup is denser than water.

• Water is denser than corn syrup.

• Water is less dense than oil.

Tags

NGSS.MS-PS1-2

Let's practice! Before reads 50 mL. After we drop in the object, the new water level goes up to 60 mL. What is the volume of the blocks?

• 8 mL

• 10 mL

• 60 mL

• 5 mL

Tags

NGSS.MS-PS1-2

Which liquid is the most dense?

• corn syurp
• water
• glycerine
• corn oil

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

The provided table shows the properties of four different sample materials. A student has a substance with a density of 2.5 g/cm3. Which sample does the student have?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-2

If I cut a block of gold in half, what happens to its density?

• Density is cut in half.

• Density stays the same.

• Density doubles.

• Density cannot be determined.

The teacher heats a pot of water. Once the water reaches 100°C, which point has the water reached?

• Freezing

• Boiling

• Melting

• Evaporation

Tags

NGSS.MS-PS1-4

Most elements that are magnetic are _________.

• metals

• nonmetals

• metalloids

• man made

If you cut a log of wood in half, what properties WILL change?

• mass and volume

• density

• solubility

• conductivity

Tags

NGSS.MS-PS1-2

If you cut a log of wood in half, what properties WILL NOT change?

• mass

• density

• volume

• length