What is Science?
Natural World
Evidence
Organization
Why Study Science? Health Wiser consumer Better-informed citizen
Universal Laws Science is governed by truths that are valid everywhere in the universe. These truths are called Universal Laws
Science & Ethics Scientific experimentation & discovery can have serious ethical implications Therefore, scientific investigations require ethical behavior.
Approaches to Learn About Nature Discovery Science Hypothesis Driven Science
Discovery Science Jane Goodall
Scientific Method Process used to answer a question or explain an observation.
Observations lead to Questions
Hypothesis A possible explanation that can be tested. Has information to support explanation. Written as: If…. Then…. because….
Experiments Two types A. Controlled experiment ** B. Study without experimentation
Controlled Experiment Control group- (Standard for comparison) Experimental group(s)- Ones being tested Constants- Same for both groups
Variables: 1)Independent variable (One changed by scientist) 2)Dependent variable (Changes in response to independent variable)
Analyzing Results Sort data: graphs, concept maps, pictures, models, etc. Make sense of information
Drawing Conclusions & Verifying Results
Considering Bias
Scientific Theory General explanation for a broad set of data Different from a Hypothesis