6.2 OpenScied Lessons 1-6

Front

What is an open system?

Back

An open system is one where matter and energy can enter or leave the system. For example, a cup of water without a lid allows water particles to evaporate into the air.

Tags

NGSS.MS-LS2-3

Front

What happens to water particles in an open system?

Back

In an open system, water particles can evaporate, meaning they change from a liquid state to a gas state and escape into the atmosphere.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Front

What does evaporation mean?

Back

Evaporation is the process by which liquid water changes into water vapor (gas) due to heat.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Front

What do colorful marbles represent in the analogy?

Back

The colorful marbles represent plastic particles, which do not evaporate like water particles.

Front

What happens to water particles when they evaporate?

Back

When water particles evaporate, they start moving faster and change from a liquid to a gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What does a blue particle high in the circle represent?

Back

The blue particle high in the circle represents a water molecule that has evaporated.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Front

What type of particles are present in a cup of water?

Back

The particles in a cup of water are liquid particles.

Front

How do water particles behave when they are heated?

Back

When water particles are heated, they gain energy, move faster, and can eventually evaporate.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

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

Back

Solid particles are closely packed and vibrate in place, liquid particles are close but can move past each other, and gas particles are far apart and move freely.

Front

What is condensation?

Back

Condensation is the process where water vapor (gas) cools and changes back into liquid water.

Tags

NGSS.MS-ESS2-4