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3. Strategy for Mastery Items
GED® Science: Full-Length Practice Exam (Level 4 - Mastery) · preview lesson
- Write the formula and units. Every calculation should show the setup, not just an answer.
- Trace the system. Follow energy or matter step by step; the total is conserved.
- Predict the ratio or trend, then match. Decide the outcome before scanning choices.
- Test the conclusion against the data. Does the evidence actually support the claim, or just correlate?
- Estimate to catch slips. A rough check exposes a misplaced decimal or a wrong unit.
Quick Check
To conclude that a drug works, a study must compare the treated group with what?
Compare against a control group that did not get the drug.
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