exam Notes.docx - Scientific Method 1 Recognize the problem and state it clearly a Making an observation 2 Propose possible solutions to the problem or

exam Notes.docx - Scientific Method 1 Recognize the problem...

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K C C K F C F C + 273 273 32 1.80 + 32 1.80 o o o o o o T T T T T T T T Scientific Method 1. Recognize the problem and state it clearly. a) Making an observation. 2. Propose possible solutions to the problem or possible explanations for the observation. a) Formulating a hypothesis. 3. Decide which of the solutions is the best or decide whether the explanation proposed is reasonable. a) Performing an experiment. The correct answer is d. Experiments must be performed to test and see if the gas is in fact helium. For example, a good test to perform would be a flammability test. This would produce new observations that could support or contradict your hypothesis. Quantitative observation. Has 2 parts – number and unit. Number tells comparison. Unit tells scale. Examples 20 grams 6.63 × 10–34 joule·seconds A basketball player cannot be 7 m tall (but rather 7 feet tall). There are about 3 feet in a meter so it’s more likely that the player has a height of 2.3 m.

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