HSC Exam 1 Study Guide

HSC Exam 1 Study Guide - Study Guide for Exam 1 1 What is...

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Study Guide for Exam 1 1. What is the difference between an hypothesis, a theory, and a scientific law? -Hypothesis- great uncertainty -theories- tested to confirmed but some uncertainty -scientific law- no uncertainty 2. What is scientific proof? 3. How do we use statistics? - Interprets data - Probability 4. What is the point of critical thinking? - how reliable sources - do most scientist believe in issue - does the claim fit with your understanding - are the arguments balanced - who funded this study 5. What happened after World War One and Two that affected the environment? - WWI- technological achievements created environmental crisis- fertilizers, pesticicides developed - Alice Hamilton fought for lead to be banned from products - The great depression made conservation popular, and CCC developed - WWII- extensive use of pesticides - 1948 Paul Herman Muller discovered DDT was awarded the Nobel Peace Prize\ 6. What are some trends that are of particular concern? - -population growth and increasing consumption per person - -degradation of soils- today we farm lands like factories minerals, nutrients. - -global atmospheric changes (climate) droughts floods - -Loss of biodiversity. Organisms that teed off each other 7. Population growth & increasing consumption per person leads to what? a. pollution ??????????? 8. Explain the concept of sustainability - -the “ultimate challenge” of our society - one that continues neither depleting exceeding sustainable yields nor producing pollutants beyond natures capacity to absorb them - be concerned with spending and earn money - should include environmental stability - examples of renewable resources- solar, water - sustainability is linked with out society enconmy 9. What are 3 types of resources - fossil fuels, solar, water 10. What is environmental stewardship? - stewardship is an ethical, view that humans have the responsibility to care for and wisely manage earths resources, including all living things 11. What is pollution? - any undesireable change in air, water, soil , or food that adversely affect humans or other living organisms
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- point source- a single identifiable source - non-point source- pollutants come from dispersed sources 12. What are two types of pollution? a. Point source- smokestack, muffler. b. Non-point source- comes from many sources (polluted lake- run offs of pesticides, fescues, dumping) 13. What factors influenced the collapse of Easter Island? - Loss of trees contributed to erosion, loss of fish, poor crops - THE CAUSES war and trees – over population 14. What influenced the creation of the environmental movement? a. Rachel carron’s book silent spring b. The development and research of pesticides after WWII 15. What book contributed to the creation of EPA? -
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HSC Exam 1 Study Guide - Study Guide for Exam 1 1 What is...

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