Compare, test and plan.
Interpret hardness, evaluate an erosion model, order layers, read contours and prepare a no-collect field day.
- 5 complete lessons
- Flexible pacing
- Print-ready student + teacher pages
Start with lesson 1 and work in order, or choose the skill your group needs. Each lesson includes instructions, an editable worksheet, an understanding check and teacher guidance. Use an adult-selected sample, supplied record or photograph as directed; no collection trip is required.
Hardness Is Not Toughness
Interpret supplied scratch-test results and distinguish hardness from breaking strength.
40 min · student worksheet · teacher guideOne Change in an Erosion Model
Identify a changed variable, compare repeated model data and describe limits of the conclusion.
45 min · student worksheet · teacher guideLayers Tell an Order
Use the order of undisturbed sedimentary layers to infer relative age without assigning years.
40 min · student worksheet · teacher guideContour Lines for Beginners
Explain equal-elevation lines and compare slope spacing on maps with the same scale and interval.
40 min · student worksheet · teacher guidePlan a No-Collect Field Day
Create an observation plan that includes site rules, conditions and a fallback.
45 min · student worksheet · teacher guide