Presentation on theme: "Science is a way of knowing."— Presentation transcript:
1 Science is a way of knowing. Science as InquiryScience is a way of knowing.
2 Observations and DataObservation is the use of the senses to gather and record information.Recorded observations are called data.
3 Quantitative observations are measurements. Qualitative observations are descriptive.
4 Inferences in ScienceA logical conclusion based on observations is called an inference.
5 Generalizations in Discovery Science Scientists put together many observations to reach a general conclusion, or generalization.
6 Forming and Testing a Hypothesis Hypothesis is a suggested answer to a well-defined scientific question—an explanation on trial.A hypothesis is often based on past experience or knowledge gained from other sources.
7 Suppose your flashlight stops working during a camping trip Suppose your flashlight stops working during a camping trip. That is an observation. Propose a hypothesis to explain it.How could you test your hypothesis?
8 Designing a Controlled Experiment A condition that can differ within the experiment is called a variable.An experiment that tests the effect of a single variable is called a controlled experiment.