Learn how water moves through Earth’s systems by observing change, measuring rates, and modeling cycles over time.
What Students Do in Unit 2
In Unit 2, learners investigate how water moves through Earth’s systems by tracking change, measuring rates, and examining patterns over time.
- Identify where water is stored within Earth’s systems
- Measure changes in water state and movement over time
- Record observations related to evaporation, condensation, and precipitation
- Calculate rates and quantities tied to water movement
- Compare water behavior across different conditions
- Model the water cycle using simple representations
- Use basic technology to organize data and examine change over time
Technology in Unit 2
Technology in Unit 2 is used to track change over time, represent movement through systems, and compare rates across conditions. Learners use simple digital tools to organize time-series data and examine patterns in water cycling.
Technology compresses space and time — learners observe measurable outcomes within operating systems.
- Timers and time-stamped tables to record change
- Simple graphs showing trends across time
- Public datasets to compare local and regional water patterns
What’s Included in Unit 2
- Guided readings focused on water movement and cycling
- Field Bench™ activities measuring change over time
- Time-series modeling and graphing tasks
- Practice quizzes with unlimited attempts
- One parent-scored module quiz
- Completion checkpoints to confirm mastery
Unit 2 is fully self-paced and parent-guided.
Who Unit 2 Is For
- Learners ready to explore change and cycles over time
- Students building confidence with measurement and simple graphing
- Learners who benefit from structured, repeatable investigation
- Homeschool families using ESAs, vouchers, or direct pay
Standards Alignment and Credit
Unit 2 aligns with high school Earth & Space Science standards used across U.S. states and territories, including NGSS HS-ESS and state-developed frameworks. The focus on water movement, rates of change, and system interactions supports full-course credit progression.