#### SCI-MS.ESS2.05

8th Grade (SCI) Earth Space Science Standards
[ESS2] Earth’s Systems

##### SCI-MS.ESS2.05 Use data to provide evidence for how the motions and complex interactions of air masses results in changes in weather conditions.

Clarification Statement: Emphasis is on how air masses flow from regions of high pressure to low pressure, causing weather (defined by temperature, pressure, humidity, precipitation, and wind) at a fixed location to change over time, and how sudden changes in weather can result when different air masses collide. Emphasis is on how weather can be predicted within probabilistic ranges. Examples of data can be provided to students (such as weather maps, diagrams, and visualizations) or obtained through laboratory experiments (e.g.; condensation).
Disciplinary Core Ideas
ESS2.C: The Roles of Water in Earth's Surface Processes The complex patterns of the changes and the movement of water in the atmosphere, determined by winds, landforms, and ocean temperatures and currents, are major determinants of local weather patterns.
ESS2.D: Weather and Climate Because these patterns are so complex, weather can only be predicted probabilistically.

## Student Learning Targets:

### Knowledge Targets

• I can identify the characteristics that define air masses.
• I can describe the interactions between a warm air mass and a cold air mass along a warm/cold font (include precipitation).
• I can describe the four factors necessary for cloud formation.

### Reasoning Targets

• I can predict the weather conditions before and after a warm front and a cold front.

• I can

• I can

## Proficiency Scale

##### 1 Beginning
... with help, demonstrate a partial understanding of some of the simpler details and processes (Score 2.0 content) and some of the more complex ideas and processes (Score 3.0 content).
• descriptors
##### 2 Developing
... demonstrate no major errors or omissions regarding the simpler details and processes but exhibits major errors or omissions regarding the more complex ideas and processes (Score 3.0 content).
• identify the characteristics that define air masses.
• describe the interactions between a warm air mass and a cold air mass along a warm/cold front (should include precipitation).
• describe the four factors necessary for cloud formation.
##### 3 Proficient
“The Standard.”
... demonstrate no major errors or omissions regarding any of the information and processes that were end of instruction expectations.
• predict the weather conditions before and after a warm and cold front.