1. Communication in Science
Section 3
Communication in
Science

2. Essential Questions Why is precise communication crucial in science?
What are the differences between scientific theories and scientific laws?
When is it appropriate to use a graph or a model?

3. Review Vocabulary
hypothesis: testable explanation of a situation

4. New Vocabulary
scientific model
scientific theory
scientific law

5. Communicating Results
There are many ways to communicate information, such as newspapers, magazines, TV, the Internet, and scientific journals.
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6. Theories and Laws
A scientific theory is an explanation based on many observations during repeated investigations.
A scientific law is a principle that describes the behavior of a natural phenomenon.

7. Assessment 1. Which is true of scientific models? They never change.
They must be true for at least ten years. B
They will be modified with new observations and data. C
CORRECT
They are generally the work of one scientist. D