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When you boil water in a pot, some of the water escapes as steam. Which of the following choices explains what is happening with the water molecules in this scenario?

• The molecules slow down as the kinetic energy increases and move farther apart from one another.

• The molecules slow down as the kinetic energy decreases and move closer together.

• The molecules speed up as the kinetic energy increases and the molecules move farther apart from one another.

• The molecules speed up as the kinetic energy decreases and the molecules move closer together.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Cold air is denser than warm air, so it sinks. What kind of pressure area does this create?

• Dense pressure

• High pressure

• Low pressure

• No pressure

Tags

NGSS.MS-ESS2-5

The sun warms a large area of an ocean. This causes a large amount of water to evaporate into the air. Which weather event might occur?

• Tornado

• Hurricane

• Tidal Wave

• Freezing rain

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

In which layer of the atmosphere would you find the top of Mount Everest?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

These properties describe a ___.

• solid

• liquid

• gas

Tags

NGSS.MS-PS1-4

Of these three states of matter, which one has the most kinetic energy?

• Solid 

• Liquid 

• Gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Why do we have season changes?

• we slowly move further away from the sun.

• the earth tilts at different angles as it moves around the sun.

• global warming

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

what is the invisible rod that the earth rotates on?

• lunar pole

• axis

• earths center rod

which of these is not part of the water cycle?

• Evaporation

• Condensation

• Transpiration

• Cementation

Tags

NGSS.MS-ESS2-4

Snow, sleet, hail, and rain are all examples of ________________.

• Evaporation

• Precipitation

• condensation

• accumulation

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4