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Using The Scientific Method

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Presentation on theme: "Using The Scientific Method"— Presentation transcript:

1 Using The Scientific Method

2 What is the Scientific Method
A series of steps that scientist use to answer questions and solve problems

3 Several Distinct Steps
Ask a question Form a hypothesis Test the hypothesis Analyze the results Draw conclusion Communicate results

4 Order of Steps Some time the steps are done in a different order
Sometimes steps are skipped or repeated It depends on what works best to answer the question

5 Technology The application of knowledge, tools, and materials to solve problems and accomplish task. Examples: computers, light bulbs

6 Goals Science and Technology
to gain knowledge of the natural world Technology to apply scientific understanding to solve problems Technology is sometimes called applied science

7 Group Activity Work in groups (Your Tables)
Make a list of 10 observations about technology in the classroom Tell how each example of technology improves the classroom for teaching

8 Ask a Question? Helps you focus your investigation and identify what you want to find out. Ask a question after you have made lots of observations

9 Observations Any use of senses to gather information Measurements
Color Temperature Volume Mass Weight

10 Real World Question Dog House Science or Technology

11 Form a Hypothesis Hypothesis- A possible explanation or answer to your question Must be testable Example: A doghouse made with lighter colors will produce a cooler living environment.

12 Before Testing Hypothesis
Make a prediction in the “If…..then…” format. Example: If heat is absorbed by dark colors and repelled by light colors then a doghouse made of light colors will be cooler.

13 Test the Hypothesis Test your prediction
Conduct a controlled Experiment

14 Controlled Experiments
Control Group Experimental Group Both groups are the same except for one factor in the experimental group called the variable Sometime a controlled experiment is not possible Example researching stars How would you conduct star research?

15 Data Any pieces of information acquired through experimentation


17 Analyze the Results Done after you collect and record data
Calculations of Data Organizing data in graphs and table

18 Number (in Millions) of Civilian/Noninstitutionalized Persons with Diagnosed Diabetes, United States, 1980–2006

19 Draw Conclusion Explaining your results
Tell if your hypothesis was supported or not Tell if project created new questions

20 Communicate Results Science Fair Journals Web Site
New people might use your information and modify it.

21 Building Scientific Knowledge
Theories-a unifying explanation for a broad range of Hypothesis. A theory can explain an observation Predict an observation possibly made in future Special Theory of Relativity Evolution Cell Theory Atomic Theory

22 Building Scientific Knowledge
Laws- a summary of many experimental results and observations Tells how things work Laws tell what happen not why it happens Examples: Boyle's law, Charles' Law , Law of Gravity

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