Physical Properties and Phase Changes

Which of the following is a physical property of matter?

• Reactivity with oxygen
• ductility
• flammability
• reactivity with acid

Which of the following statements about density is TRUE?

• Density depends on mass and volume
• Density is weight per unit volume
• Density is measured in millimeters
• Density is a chemical property

One way to compare the densities of oil and water is to pour the liquids into a glass container and observe how they....

• change color
• evaporate quickly
• separate into layers
• create an odor

Tags

NGSS.MS-PS1-2

What happens when a liquid turns into a solid?

• new molecules are formed
• the mass of the sample is increased
• the arrangement of the molecules changes
• energy is absorbed by the molecules

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

In which state of are the particles moving very fast and charged?

• solid
• liquid
• gas
• plasma

Tags

NGSS.MS-PS1-4

True or False:
When water is boiling, the temperature of the water remains at 100 degrees C until all the water evaporates.

• True
• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What happens to water molecules as the temperature of the water is increased?

• The molecules spread apart and move more slowly
• The molecules spread apart and move more quickly

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

In which state of matter do particles slide past each other and take the shape of the container?

• solid
• liquid
• gas
• plasma

Which process describes when a liquid turns into a gas?

• boiling
• condensation
• evaporation
• melting

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

True of False:
When a gas turns into a liquid, the particles move faster and further apart.

• true
• false

Tags

NGSS.MS-PS1-4