1. Unit 2: Energy Conservation and Transfer Focus: Energy Resources Day 2: 10-18-16

2. October 18, 2016 4.4. Science Starter: Copy this question. Salt and water are stirred together in a beaker. The solid salt particles seem to disappear in the water. Which is the best explanation for the substance that is formed? Write the entire correct answer in the “My Response” box. A.A. A solvent has been created. B.B. A solution has been created. C.C. A compound has been created. D.D. A new element has been created.

3. Plan for the Day  Review of Hydroelectric Energy and Worldwide Energy Usage  What I am looking for in foldables  Foldable – Geothermal and Wind  Project Information

4. Homework  Finish the foldables on geothermal and wind and be working on the project.

5. Essential Question – Page 3 What are the environmental impacts of geothermal energy and wind energy?

6. Let’s review hydroelectricity.

7. Think about it…Can a fish climb a ladder?

8. Let’s watch a Brainpop on Hydroelectricity. Hydroelectricity Brainpop Video Listen for the following: *What are two ways dams can affect the quality of water below the dam? *What is a solution designed to help fish that must swim upstream to spawn?

9. Fish Ladders Fish Ladder Youtube

10. Hydro-Power  Definition: moving (falling) water turns the blades of turbines operating electricity generators. Power reaches communities via power lines.  Advantages: *Renewable and reliable-water cycle continually supplies water *Creates lakes and reservoirs to increase local water supply/recreation *Does not produce pollution or waste *No fuel costs and low maintenance costs once the dam is built *Very efficient-makes a lot of electricity  Disadvantage: *Dams are expensive to build *Loss of fish and other aquatic animals and plants -damage ecosystems above and below the dam *Can flood existing farmland (drown forests; force towns to move) *Downstream, water temp. and quality (nutrients) may change This is the thoroughness I am looking for in your foldables. It isn’t what I was seeing yesterday.

11. Uses: Electricity If this energy resource is renewable or inexhaustible, then describe the best situation in which it would be the most efficient.

12. Let’s talk about worldwide energy consumption. Look in your foldable at the pie chart about worldwide energy consumption. *What stands out to you?

13. Worldwide Energy Consumption 1.What percentage of energy comes from nonrenewable resources?____ What are they?____________ 2. What percentage of energy comes from renewable resources? ____ What are they?_____________ 3. What are some possible reasons for this? List at least 3. 4. Why should we be concerned about this? Give 2 possible reasons. 92% Coal, oil, natural gas (fossil fuels) and nuclear (uranium) 8% Wind, geothermal, hydroelectric, biomass, solar Cost? Ease in transporting the fuel? Location limitations? Environmental impact? Availability? World dependence?

14. Let’s talk about the Harrisburg Energy Study Project.Energy Project - CITY OF HARRISBURG.docxEnergy Project - CITY OF HARRISBURG.docx

15. Starting tomorrow, I will give you a foldable and instructions. You know what I am looking for in it. Foldables/Venn diagrams, etc. must be finished for homework each night if not finished in class. You will have a choice of working on the project during class or working on the foldable. The project will be due next week, so don’t drag your feet on it.

16. Today’s foldable will be placed on the left side of page 3. In the space beside it,make a Venn diagram comparing and contrasting wind and geothermal. Be sure to include any environmental impacts. Use the textbook starting on page C-58, as well as your workbook.

18. Wrap-up o What is the most important thing you learned today? Why is this important to you and your world? Be prepared to share.