Phases of Matter

In which state of matter are molecules free to move (sliding past one another), have definite volume, but not a definite shape?

• solid

• liquid

• gas

• plasma

Example of condensation...

• moisture collecting on the outside of a glass

• steam rising off of the ground

• water being placed in an ice tray and placed in the freezer

• a hot air ballon

Tags

NGSS.MS-PS1-4

NGSS.MS-ESS2-4

Heat can cause ice to change to liquid water by _____________.

• filling the space between the molecules

• causing the molecules to move faster and farther apart

• increasing the distance between electrons within molecules

• increasing the attraction between molecule

Tags

NGSS.MS-PS1-4

The observation that ice cubes float in a glass of water can be explained by the fact that ________.

• most substances have less energy as solids than as liquid

• ice is more dense than liquid water

• ice has more energy than liquid water

• ice is less dense than liquid water

Amy wants to find the density of an irregularly shaped small stone. Which tools will she need?

• a meter stick and a thermometer

• a thermometer and a balance scale

• a balance scale and a graduated cylinder

• a graduated cylinder and a meter stick

The state of matter where particles are very spread out and moving quickly.

• gas

• liquid

• solid

• Helium

Tags

NGSS.MS-PS1-4

The phase change when a solid becomes a liquid.

• freezing

• sublimation

• melting

• condensation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As heat energy increases, temperature...

• increases

• decreases

• remains the same

• varies

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The phase change when a gas becomes a liquid.

• condensation

• evaporation

• deposition

• sublimation

Tags

NGSS.MS-PS1-4

The phase change when a liquid becomes a gas.

• melting

• boiling

• sublimation

• evaporation

Tags

NGSS.MS-PS1-4