Class Notes Unit 2 – Scientific Research Science:

Class Notes Unit 2 – Scientific Research Science: Only examines things that can be ??????

Class Notes Unit 2 – Scientific Research Science: Only examines things that can be TESTED

Class Notes Unit 2 – Scientific Research Steps of the Scientific Method: (simplified version)

Class Notes Unit 2 – Scientific Research Steps of the Scientific Method: (simplified version) 1. Observation: seeing something of interest

Class Notes Unit 2 – Scientific Research Steps of the Scientific Method: (simplified version) 1. Observation: seeing something interesting 2. Hypothesis: educated guess at “why”

Class Notes Unit 2 – Scientific Research Steps of the Scientific Method: (simplified version) 1. Observation: seeing something of interest 2. Hypothesis: educated guess at “why” 3. Experiment: controlled testing

Class Notes Unit 2 – Scientific Research Steps of the Scientific Method: (simplified version) 1. Observation: seeing something of interest 2. Hypothesis: educated guess at “why” 3. Experiment: controlled testing 4. Conclusion: was the hypothesis SUPPORTED?

Class Notes Unit 2 – Scientific Research Hypothesis:

Class Notes Unit 2 – Scientific Research Hypothesis: 1. Written as “yes or no” question

Class Notes Unit 2 – Scientific Research Hypothesis: 1. Written as “yes or no” question 2. Always before experiment

Class Notes Unit 2 – Scientific Research Hypothesis: 1. Written as “yes or no” question 2. Always before experiment 3. Does the data SUPPORT or disprove hypothesis?

Class Notes Unit 2 – Scientific Research Hypothesis: 1. Written as “yes or no” question 2. Always before experiment 3. Does the data SUPPORT or disprove hypothesis? Example: Can a plant be given too much water?

Class Notes Unit 2 – Scientific Research Purpose of the Scientific Method:

Class Notes Unit 2 – Scientific Research Purpose of the Scientific Method: 1. Information is useful

Class Notes Unit 2 – Scientific Research Purpose of the Scientific Method: 1. Information is useful 2. Information can be shared

Class Notes Unit 2 – Scientific Research Purpose of the Scientific Method: 1. Information is useful 2. Information can be shared 3. Experiments can be replicated

Class Notes Unit 2 – Scientific Research Levels of Support in Science:

Class Notes Unit 2 – Scientific Research Levels of Support in Science: nothing in science is ever PROVEN

Class Notes Unit 2 – Scientific Research Levels of Support in Science: nothing in science is ever PROVEN 1. Hypothesis: before an experiment – limited support

Class Notes Unit 2 – Scientific Research Levels of Support in Science: nothing in science is ever PROVEN 1. Hypothesis: before an experiment – limited support 2. Theory: after MANY experiments – well supported idea

Class Notes Unit 2 – Scientific Research Levels of Support in Science: nothing in science is ever PROVEN 1. Hypothesis: before an experiment – limited support 2. Theory: after MANY experiments – well supported idea Biology {

Class Notes Unit 2 – Scientific Research Levels of Support in Science: nothing in science is ever PROVEN 1. Hypothesis: before an experiment – limited support 2. Theory: after MANY experiments – well supported idea 3. Law: supported with math

Class Notes Unit 2 – Scientific Research Levels of Support in Science: nothing in science is ever PROVEN 1. Hypothesis: before an experiment – limited support 2. Theory: after MANY experiments – well supported idea 3. Law: supported with math 4. Fact: a true fact is rare in the sciences

Class Notes Unit 2 – Scientific Research Sampling:

Class Notes Unit 2 – Scientific Research Sampling: 1. almost impossible to examine EVERYTHING

Class Notes Unit 2 – Scientific Research Sampling: 1. almost impossible to examine EVERYTHING 2. a sample is a representative group

Class Notes Unit 2 – Scientific Research Sampling: 1. almost impossible to examine EVERYTHING 2. a sample is a representative group Example: 100 elephants = 5 in each of 20 regions