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THE NATURE OF SCIENCE THE BIG IDEA: How can science provide answers to your questions about the world around you?

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Presentation on theme: "THE NATURE OF SCIENCE THE BIG IDEA: How can science provide answers to your questions about the world around you?"— Presentation transcript:

1 THE NATURE OF SCIENCE THE BIG IDEA: How can science provide answers to your questions about the world around you?

2 Understanding Science: What is science? What is scientific inquiry? What are the results of scientific investigations? How can scientist minimize bias in a scientific investigation?

3 BRANCHES OF SCIENCE: Life Science—the study of living things—or biology Earth Science—the study of Earth—landforms, rocks, soil and forces that shapes Earth’s surface Physical Science—the study of Physics and CHemistry

4 SCIENTIFIC INQUIRY Ask questions—make observations, state a problem, research, infer Hypothesize Predict Test your Hypothesis Analyze Results Draw Conclusions Communicate Results

5 RESULTS OF SCIENTIFIC INQUIRY Technology—the practical use of scientific knowledge—television, MP3 players, computers, artificial limbs New Materials—bone bioceramic Possible Explanations—who, when, what, where or how

6 SCIENTIFIC THEORY AND SCIENTIFIC LAWS THEORY OBSERVATIONS STATES THAT SOMETHING WILL OCCUR LAWS WELL SUPPORTED HYPOTHESIS

7 EVALUATING SCIENTIFIC EVIDENCE Critical thinking is an important skill in scientific inquiry: Sampling Bias Blind Study Repetition

8 SAFETY IN SCIENCE Use of safety procedures: includes the following recognize safety equipment, safety instructions, Recognize potential hazards ETHICS: potential risks and benefits of experimentations

9 INTERPRET GRAPHICS: scientific inquiry Test hypothesis

10 USE VOCABULARY COMPARE AND CONTRAST: Inference and Prediction Critical thinking and Inference

11 MEASUREMENT AND SCIENTIFIC TOOLS INTERNATIONAL SYSTEMS OF UNITS SI BASE UNITS Quantity MeasuredUnit (symbol) LengthMeter (m) MassKilogram (kg) TimeSecond (s) Electric currentAmpere (A) TemperatureKelvin (K) Celsius (C) Substance amountMole (mol) Light intensityCandela (cd)

12 MEASUREMENT PREFIXES PREFIXMEANING Mega—(M)1,000,000 (10) 6 Kilo—(k)1,000 (10)3 Hecto—(h)100 (10) 2 Deka—(da)10 (10) 1 Deci—(d)0.1 (10) -1 Centi—(c )0.01 (10)-2 Milli—(m)0.001 (10)-3 Micro—(µ)0.000 001 (10)-6

13 SIGNIFICANT DIGITS THE NUMBER OF DIGITS IN A MEASUREMENT THAT ARE IN OWN WITH A CERTAIN DEGREE OF RELIABILITY 5,281 HAS 4 SIGNIFICANT DIGITS—All Nonzero Numbers are significant. Zeros between nonzero digits are significant Final zeros used after the decimal point are significant. Zeros used solely for spacing the decimal point are not significant. The zeros indicate only the position of the decimal point.

14 SCIENTIFIC TOOLS Science Journal Balances Thermometers Glassware Compound Microscope Computers Magnifying lens Slides, pipettes, dissecting tools


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