What Is Science

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What Is Science?

• Bio P
• Mr. Quach

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What is science?

• Study of the natural world.
• What does natural mean to you?
• Science requires that we ask and answer questions.

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How do they find answers?

• Scientific Method
• Observation stating the problem
• Usually asking a question
• Hypothesis explanations for the observation
• Also known as an educated guess
• Must be able to test it
• Prediction the expected outcome

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• Experimentation Controlled attempts to test one
  or more hypotheses.
• Must use variables, different situations to test
  the hypothesis.
• Experimental control a variable that does not
  change.
• Compare results between the control and the
  variables

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• Conclusion Was the hypothesis correct or not?
• No change the hypothesis
• Yes hypothesis is correct

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What is a theory?

• A hypothesis that has been REPEATEDLY TESTED with
  little modification (change) and found to be
  true.
• What are several great theories?
• Cell Theory
• Theory of Evolution
• Gene Theory

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What is the difference b/t a theory and a law?

• Theory explains why something happens
• Law states how it happens
• Law of Thermodynamics
• Law of Relativity

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What is biology?

• Break it down
• bio life
• ology the study of something
• What other areas of study in biology can you
  think of?

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What are the categories of life?
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What are some characteristics of living things?

• First of all they mean the same
• living thing organism
• 7 Themes of Biology
• Cellular structure and function
• Cells highly organized, tiny structures with
  membranes
• Reproduction production of offspring.

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• 3. Metabolism sum of all chemical reactions in
  the human body
• 4. Homeostasis maintaining stability (balance)
  within an organism.
• 5. Heredity passing of genetic information from
  parent to offspring.
• 6. Evolution the process of change over time.

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• 7. Interdependence how organisms interact with
  other organisms and the environment