HS-ESS2-4
The standard
Use a model to describe how variations in the flow of energy into and out of Earth systems result in changes in climate.
Next Generation Science Standards
What this standard means
Students need to use a climate model, not just describe climate change from memory. They should explain how energy entering, moving through, and leaving Earth affects temperature, rainfall, ice, sea level, and where living things can survive. They also need to connect causes to different time scales, such as volcanoes, ocean circulation, solar changes, human activity, orbit shifts, and atmosphere changes.
Mastery looks like tracing a cause through the model to a climate effect with clear reasoning. Students often mix up weather and climate, treat one factor as the whole story, or forget that the same effect can happen on very different time scales.
Ways to teach it
- Have students build a simple energy balance diagram with arrows, labels, and cards for volcanoes, greenhouse gases, solar output, and ocean circulation.
- Ask students to write: How could the same temperature change be caused by different processes on different time scales?
- Give a blank cause, energy-flow change, climate-effect chart and ask students to complete three rows in five minutes.
- Use local rainfall, heat wave, or snowpack records to discuss how long-term climate trends differ from one unusual year.
Plan a lesson for HS-ESS2-4
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