1. Baseload Energy Source Baseload energy sources are the most commonly used energy sources. –Fossil Fuels (coal, oil) –Hydroelectric –Nuclear Energy

2. Nuclear energy

3. #3.8 Aim: Where does nuclear energy come from? Agenda QOD (10) Activity: Nuclear energy (15) Lesson: Nuclear energy (15) Summary (5) No HW Nuclear energy The energy that holds atoms together. How do we all use oil in our every-day lives?

4. #3.8 Aim: Where does nuclear energy come from? Agenda QOD (10) Activity: Nuclear energy (15) Lesson: Nuclear energy (15) Summary (5) No HW 2. These split apart and produce more neutrons… 3.…which then collide with other heavy, unstable atoms, and the process continues. How does nuclear fission work? 1. Neutrons are fired at heavy, unstable atoms.

5. #3.8 Aim: Where does nuclear energy come from? Agenda QOD (10) Activity: Nuclear energy (15) Lesson: Nuclear energy (15) Summary (5) No HW Using this chain-reaction with control gives us nuclear power Using this chain-reaction uncontrolled gives us a nuclear bomb

6. #3.8 Aim: Where does nuclear energy come from? Agenda QOD (10) Activity: Nuclear energy (15) Lesson: Nuclear energy (15) Summary (5) No HW What does nuclear energy require for fuel? Uranium, an uncommon mineral that is mined.

7. #3.8 Aim: Where does nuclear energy come from? Agenda QOD (10) Activity: Nuclear energy (15) Lesson: Nuclear energy (15) Summary (5) No HW Do you think nuclear energy is renewable or non- renewable?

8. #3.9 Aim: What are the pros to using nuclear power? Agenda QOD (10) Lesson: Nuclear power plants (15) Activity: “Nukes are green” (15) Summary HW #20

9. #3.9 Aim: What are the pros to using nuclear power? Agenda QOD (10) Lesson: Nuclear power plants (15) Activity: “Nukes are green” (15) Summary HW #20 How do we all use oil in our every-day lives? How do nuclear power plants work?

10. #3.9 Aim: What are the pros to using nuclear power? Agenda QOD (10) Lesson: Nuclear power plants (15) Activity: “Nukes are green” (15) Summary HW #20 Nuclear power plants How do we all use oil in our every-day lives? 1. Fission occurs. Moderator – slows down neutrons (so that fission can happen) Control rods – absorb neutrons (to keep the chain-reaction in check)

11. #3.9 Aim: What are the pros to using nuclear power? Agenda QOD (10) Lesson: Nuclear power plants (15) Activity: “Nukes are green” (15) Summary HW #20 Nuclear power plants 2. Fission heats up water 3. Hot water boils, creating steam 4. Steam drives the turbines, generating electricity!

12. #3.9 Aim: What are the pros to using nuclear power? Agenda QOD (10) Lesson: Nuclear power plants (15) Activity: “Nukes are green” (15) Summary HW #20 Nuclear power plants How do we all use oil in our every-day lives? 5. Cold water from the cooling tower converts steam back to liquid water (it is recycled )

13. “Nukes are green” We will read the article aloud, together In your notes: make a list of pros of using nuclear power (at least four)

14. #3.9 Aim: What are the pros to using nuclear power? Agenda QOD (10) Lesson: Nuclear power plants (15) Activity: “Nukes are green” (15) Summary HW #20 What are some of the pros to using nuclear power?

15. #3.10 Aim: What are the cons to using nuclear power? Agenda QOD (10) Lesson: Nuclear power cons (15) Activity: WARNING PAMPHLET S (15) Summary (5) No HW There are two main problems with nuclear power …

16. #3.10 Aim: What are the cons to using nuclear power? Agenda QOD (10) Lesson: Nuclear power cons (15) Activity: WARNING PAMPHLET S (15) Summary (5) No HW Leaks from nuclear power plants can release radiation, which damages DNA  cancer, birth defects, etc. 1. Small risk of large accidents Birth defects from Uranium exposure Burns from radiation

17. #3.10 Aim: What are the cons to using nuclear power? Agenda QOD (10) Lesson: Nuclear power cons (15) Activity: WARNING PAMPHLET S (15) Summary (5) No HW Mechanical failure and human error caused the cooling water to drain from the reactor, melting the fuel rods and releasing radiation. Most radiation remained trapped inside and didn’t hurt anyone. Three Mile Island Pennsylvania, 1979

18. #3.10 Aim: What are the cons to using nuclear power? Agenda QOD (10) Lesson: Nuclear power cons (15) Activity: WARNING PAMPHLET S (15) Summary (5) No HW An explosion destroyed the reactor and sent clouds radioactive debris into the air. Twenty-two people died. Chernobyl Ukraine, 1986 Red shows the radiation cloud Chernobyl victim with his brother

19. #3.10 Aim: What are the cons to using nuclear power? Agenda QOD (10) Lesson: Nuclear power cons (15) Activity: WARNING PAMPHLET S (15) Summary (5) No HW 2. Produces toxic waste Used fuel rods emit radiation for thousands of years.

20. #3.10 Aim: What are the cons to using nuclear power? Agenda QOD (10) Lesson: Nuclear power cons (15) Activity: WARNING PAMPHLET S (15) Summary (5) No HW U.S. power plants store enough radioactive waste to fill a football field 10 feet high This waste is stored in 125 sites across the country. The National Academy of Sciences reported that most of these sites are vulnerable to terrorist attacks.

21. #3.10 Aim: What are the cons to using nuclear power? Agenda QOD (10) Lesson: Nuclear power cons (15) Activity: WARNING PAMPHLET S (15) Summary (5) No HW 3. Nuclear Weapons Countries could potentially generate nuclear energy for developing nuclear weapons. Nuclear power plants could serve as targets for terrorists attacks.

22. #3.10 Aim: What are the cons to using nuclear power? Agenda QOD (10) Lesson: Nuclear power cons (15) Activity: WARNING PAMPHLET S (15) Summary (5) No HW

23. #3.10 Aim: What are the cons to using nuclear power? Agenda QOD (10) Lesson: Nuclear power cons (15) Activity: WARNING PAMPHLET S (15) Summary (5) No HW Nuclear power: good idea or bad idea?