What Is Science?

Learning Objectives  State the goals of science.  Describe the steps used in scientific methodology.

The Nature of Science Science  Uses evidence to construct testable explanations and predictions of natural phenomena  Generates knowledge

Scientific Methodology: Observation Science is a general style of investigation, not a rigid step-by-step process.

Scientific Methodology: Asking Questions Why do marsh grasses grow to different heights in different places?

Scientific Methodology: Hypothesis Inference: a logical interpretation based on Hypothesis: a tentative scientific explanation that can be what scientists already know tested further

Scientific Methodology: Experiment Testing hypotheses often involves designing experiments that measure factors that can change, or variables.

Scientific Methodology: Collecting Data data are numbers. data are descriptive. Qualitative Quantitative

Scientific Methodology: Analyzing Data Data analysis in science often relies on the use of statistics.

Scientific Methodology: Review

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Science in Context

Learning Objectives  Explain how scientific attitudes generate new ideas.  Describe the importance of peer review.  Explain what a scientific theory is.  Explain the relationship between science and society.

Scientific Methodology curiosity skepticism creativity open-mindedness

Exploration and Discovery

Practical Problems

Communicating Results

Reviewing and Sharing Ideas

Science and Society

Science, Ethics, and Morality

Scientific Theories A scientific theory describes a well-tested explanation for a range of phenomena.

Understanding and Using Science

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Studying Life

Learning Objectives  List the characteristics of living things.  Identify the central themes of biology.  Explain how life can be studied at different levels.  Discuss the importance of a universal system of measurement.

Biology Biology is the study of life. But what IS life?

Characteristics of Life Genetic code Grow and develop Respond to their environment Reproduce Homeostasis Metabolism Evolve Made of cells

Is It Alive? Sample A Sample B

Big Ideas in Biology 1.Cellular Basis of Life 2.Information and Heredity 3.Matter and Energy 4.Growth, Development, and Reproduction 5.Homeostasis 6.Evolution 7.Structure and Function 8.Unity and Diversity of Life 9.Interdependence in Nature 10.Science as a Way of Knowing

Fields of Biology Global Ecology Biotechnology Paleontology Entomology Molecular Biology

Scientific Measurement 1 kilometer = _______ meters liter = _______ milliliters milligrams = _______ grams meters = _______ kilometers milliliters = _______ liters grams = _______ milligrams 17

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