Scan_Doc0012 - 6 Chapter One Chemical Foundations problem...

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6 Chapter One Chemical Foundations Observation t Hypothesis t Experiment Prediction Figure 1.3 The fundamental steps of the scientific method. Observation t Hypothesis t Prediction Experiment Figure 1.4 The various parts of the scientific method. problem under study and on the particular investigator involved. However, it is useful to consider the following general framework for a generic scientific method (see Fig. l.3): Steps in the Scientific Method 1. Making observations. Observations may be qualitative (the sky is blue; water is a liquid) or quantitative (water boils at 100°C; a certain chemistry book weighs 2 kilograms). A qualitative observation does not involve a number. A quantitative observation (called a measurement) involves both a number and a unit. 2. Formulating hypotheses. A hypothesis is a possible explanation for an observation. 3. Performing experiments. An experiment is carried out to test a hypothesis. This involves
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