1. SCIENCE ????

2. I. SCIENCE systematic knowledge, or method of collecting information systematic knowledge, or method of collecting information B. applied science – TECHNOLOGY the use of collected scientific knowledge the use of collected scientific knowledge A. pure science – study of science for the sole purpose of collecting knowledge ex: M & M’s, Tang, plastic, computers

3. II. Branches of Science PHYSICAL PHYSICAL Chemistry Geology Chemistry Geology Physics Astronomy Physics Astronomy LIFE LIFE Biology Ecology Biology Ecology

4. III. Physical Science study of matter and energy study of matter and energy A.Chemistry – study of substances (matter) and their reactions with other substances. B. Physics – study of the properties, changes, and behavior of matter and energy.

5. C. Definitions 1. matter – anything that occupies space and has mass has mass ex: solid, liquid, gas 2. energy – the ability of an object to move or to move something ex: heat, electricity, sound, light 3.property – description of an object and how it behaves

6. IV. Scientific Method -A way of solving a problem, answering a question, or testing an idea A.Problem – idea to be tested or question to be answered B. Collect information/ RESEARCH – ask someone, read, internet, observe, measure with instruments C. Hypothesis – possible guess to a problem

7. D. Experiment – test of a hypothesis using organized steps 1. variable – factor being tested CHANGE 2. control – factor not being tested SAME E. Record/Analyze Results – write down and graph information. F. Conclusion – answer to hypothesis 1. qualitative data – information that describes an objects physical characteristics or properties 2. quantitative data – numerical information Data tables and graphs

8. V. Definitions A. Theory – a tentative explanation for how something behaves ex: cell theory, atomic theory B. Law – statement that describes how something behaves. may be a theory that has been proven to be true several times. Does not explain why. ex: gravity