Unit 7 Test: Natural Resources and Human Impact 7th Grade PSI Science Study Guide Name ____________________________________ Directions: Define the following terms and/or concepts 1. natural resource 2. biotic 3. abiotic 4. atmosphere 5. hydrosphere 6. lithosphere 7. biosphere 8. nonrenewable 9. renewable 10. igneous processes 11. metamorphic processes 12. physical weathering 13. chemical weathering 14. aquifers 15. sedimentary processes 16. plate tectonics 17. deforestation 18. smeltering 19. fossil fuels 20. ecological overshoot 21. ecological footprint (per capita) 22. sustainability Directions: Answer the following thoroughly 1. How are gaseous oxygen and nitrogen natural resources? Which “sphere” do they come from? 2. Explain the role of the water cycle in natural resource consumption. 3. Which “sphere” does the sun belong to? Why is the sun considered a natural resource? Is it renewable or nonrenewable? 4. Describe a natural resource from each of the four “spheres”. What is it? How is it used? Is it biotic or abiotic? Is it renewable or nonrenewable? 5. What is the primary difference between nonrenewable and renewable resources? Give examples of each. 6. Describe the distribution of various natural resources around the globe. a. What causes this distribution? b. Describe how this distribution impacts humans. 7. What natural resource is typically found near regions of: a. hydrothermal activity www.njctl.org 7th Grade PSI Natural Resources and Human Impact b. metamorphic processes 8. Explain the role of surface processes such as physical and chemical weathering in Earth’s natural resources. 9. Do all aquifers around the world store the same amount of water? Why or why not? 10. Why must we drill very deep below Earth’s surface to obtain fossil fuels such as oil? 11. How does deforestation benefit humans? What natural resources do we get from it? 12. Explain the link between deforestation and a. global warming b. landslides and floods c. atmospheric moisture 13. Why is the water supply threatened? Provide several examples. 14. What are some negative impacts of mining? 15. Why would eating less meat be beneficial for the Earth’s environment as well as for humans? 16. What is the consequence of overfishing? 17. What are fossil fuels used for? Describe the impact of burning fossil fuels. What are some alternatives to burning fossil fuels? 18. How are different species and their habitats affect by an ever growing human population? 19. Describe the link between human population, natural resource consumption and ecological footprint. 20. Is there a general relationship between the ecological footprint of a country and its economic income? Explain. 21. Differentiate between sustainability and non-sustainability. 22. How did non-sustainable activities bring us into ecological overshoot? 23. Describe how the following activities are sustainable activities: a. recycling (goods and water) b. moving away from fossil fuel usage c. using clean and renewable energy sources such as ?? d. reducing consumption and water use e. improving water treatment f. protecting greenspaces and parks g. using energy efficient appliances and bulbs 24. What role does recording the pH of rainwater over a certain time period have in monitoring and minimizing human impact on the environment. 25. Explain why sustainable activities and technology are an individual and global effort. www.njctl.org 7th Grade PSI Natural Resources and Human Impact