6.2 OpenScied Lessons 1-6

Front

What is an open system?

Back

An open system is one where matter can enter or leave the system freely.

Front

What is a closed system?

Back

A closed system is one where no matter can enter or leave the system.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What do solid particles look like?

Back

Solid particles are closely packed together and vibrate in place.

Front

What happens to water particles in an open system over time?

Back

In an open system, water particles will eventually evaporate.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Front

What does evaporation mean?

Back

Evaporation is the process where liquid water turns into vapor and enters the air.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Front

What is the difference between liquid and gas particles?

Back

Liquid particles are close together and can slide past each other, while gas particles are far apart and move freely.

Tags

NGSS.MS-PS1-4

Front

What does it mean for a particle to evaporate?

Back

To evaporate means that a particle has gained enough energy to change from a liquid to a gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

What is a water molecule?

Back

A water molecule is made up of two hydrogen atoms and one oxygen atom (H2O).

Tags

NGSS.MS-PS1-1

Front

What happens to a water molecule when it evaporates?

Back

When a water molecule evaporates, it leaves the liquid state and becomes a gas.

Tags

NGSS.MS-PS1-4

Front

What is the role of a lid in a closed system?

Back

A lid prevents matter from entering or leaving the system, keeping it closed.