environmental science chapter 2 tools of environmental science

Environmental Environmental ScienceScienceChapter 2Chapter 2

Tools of Environmental Tools of Environmental ScienceScience

Mr. ManskopfMr. ManskopfNotes can also be found at Notes can also be found at http://www.manskopf.comhttp://www.manskopf.com

Goals for these notesGoals for these notes Describe the steps that a scientists Describe the steps that a scientists

would use to figure out problems in would use to figure out problems in our environment.our environment.

How Science WorksHow Science WorksIn order to satisfy our In order to satisfy our

curiosity about why curiosity about why things are the way things are the way they are and about they are and about how things happen how things happen the way they do, we the way they do, we must..must..

Making Observations: Making Observations: using our senses and using our senses and toolstools

What are some tools a What are some tools a scientist may use?scientist may use?

ObservationsObservationsMake some observations from this photo

Make some observationsMake some observations

ObservationObservation

ObservationObservation

Hypothesis and PredictingHypothesis and Predicting Is a testable idea Is a testable idea

that can be lead that can be lead to further to further investigation.investigation.

Can you give an Can you give an example?example?

What can you tell from this What can you tell from this data?data?

HypothesisHypothesis

HypothesisHypothesis

HypothesisHypothesisCholera is caused by people drinking contaminated water.

Which pump appears to be causing the 1854 London Cholera outbreak?

•Spot Map•See patterns in data

•How could you test this hypothesis?

Collecting DataCollecting Data To study the To study the

hypothesis data hypothesis data must be collected must be collected and analyze.and analyze.

Conclusions must Conclusions must be drawnbe drawn

Results must be Results must be repeatablerepeatable

Results should be Results should be communicatedcommunicated

Collecting DataCollecting Data

Collecting DataCollecting Data

Drawing ConclusionsDrawing Conclusions

Repeating ExperimentsRepeating Experiments

Communicating ResultsCommunicating Results

What does this model show us about What does this model show us about how mercury gets to humans?how mercury gets to humans?

Habits of a ScientistHabits of a Scientist CuriosityCuriosity SkepticismSkepticism Openness to Openness to

New IdeasNew Ideas Intellectual Intellectual

HonestyHonesty Imagination and Imagination and

CreativityCreativity

What is going on here?What is going on here?1999 Earthquakes in yellow

Lab Write-UpsLab Write-Ups http://manskopf.com/yahoo_site_admhttp://manskopf.com/yahoo_site_adm

in/assets/docs/APLab_Report_Format.in/assets/docs/APLab_Report_Format.291174006.doc291174006.doc

How can we use the scientific method to study our impacts on the environment?