What this lesson teaches
Ohm's Law V I R relationship.
Science in Action
Ohm's Law Verification
Measure voltage current and verify Ohm's Law!
Duration35 min
Age GroupAges 14–16
DifficultyAdvanced
SubjectScience
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How the activity runs
The learning connection
Verifying a law rather than being told it exists transforms students from consumers of knowledge into co-discoverers. The process of changing a variable (voltage), measuring the outcome (current), and finding a proportional relationship is the scientific method in its most elegant form.
Try it with your learner
1. Set up circuit. 2. Measure voltage. 3. Measure current. 4. Record. 5. Change voltage. 6. Plot graph.