Test a historical cause claim
Identify alternative explanations before attributing a change to one event.
Open lesson 1From Change to a Causal Question
Audit definitions, compare cases, and write cause conclusions that acknowledge alternatives.
Before you begin
- Compute differences; distinguish entries from unique people; recognize a proposed comparison as missing evidence.
Choose by skill rather than age alone. Read with an adult when useful, revisit a lesson, or explore another grade.
Follow the lesson sequence
Audit a Change in Measurement
Determine whether before-and-after figures use the same definition.
Open lesson 2Use a Comparison Without Calling It an Experiment
Calculate changes across two cases and state a conditional interpretation.
Open lesson 3Write a Conditional Cause Conclusion
Explain how new evidence would strengthen, weaken, or leave a cause claim unresolved.
Open lesson 4Review and transfer
After the lessons, try 4 new review cases and a practical task. Each answer has an explanation and a link back to the related lesson.
Open the unit reviewGuest answers are temporary. Keep your own paper or document; this unit does not certify completion or record a school grade.