Front

What is the independent variable in an experiment?

Back

The independent variable is the ONE thing you change in an experiment.

Tags

NGSS.MS-PS2-2

Front

Why do you only change one thing at a time in an experiment?

Back

Because you want to know what is responsible for the change in your investigation.

Front

What is a closed system in scientific terms?

Back

A closed system is one where no matter can get in or out.

Front

What do liquid particles look like?

Back

Liquid particles are closely packed but can move around each other.

Front

What happens to water particles when they evaporate?

Back

They start moving faster.

Tags

NGSS.MS-PS1-4

Front

What do solid particles look like?

Back

Solid particles are tightly packed and vibrate in place.

Front

What is evaporation?

Back

Evaporation is the process where liquid water turns into vapor.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Front

What is condensation?

Back

Condensation is the process where vapor turns back into liquid water.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Front

What is the difference between a solid, liquid, and gas?

Back

Solids have a fixed shape, liquids take the shape of their container, and gases fill the entire space available.

Tags

NGSS.MS-PS3-4

Front

What is an example of a closed system?

Back

A sealed jar with no openings.