Physics.pptx1234 wendemagene Ethiopian like

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1. Physics Unit one

2. Unit one measurement and practical work Physics is all about observing natural phenomena and then experimenting Scientific method : is a systematic procedure scientists use to acquire knowledge in science

3. Steps of Scientific method ask question background research Form a hypothesis Make prediction Do experiment Analysis data Draw conclusion

4. Significant figures:- a meaningful digits Uncertainty:- is the amount of doubt in a measuerment Percentage uncertainty=