1. Why study physics? How does the universe work? Chatfield Senior High Physics (Mr. Boyle) PPT 1-1

2. Why Study Physics? (adapted from AAPT) 1. Colleges like you taking challenging classes. 2. Physics can answer questions about the world no other discipline can. 3.High school Physics provides scaffolding for college level work. 4. Physics is the basis for all technological advances.

3. “How large is the universe?” writing assignment Go outside after sunset (or before sunrise!) and lie on the ground. Ponder the size of the universe and your place in it. After you are finished, write a paragraph that (1) Describes your observations (2) Offers your attempt at answering how large the universe is your place in it

4. Goals (1) To appreciate how to think like a physicist (2) To review concepts of astronomy (3) To provide a framework for studying physics concepts

5. The “ancients” (Constellation Names)

6. The Sky Tonight

7. Observed Motions (1) Length of day and direction the sun appears to be above the horizon (2) Phases of the moon (3) Motion of the planets with respect to the stars (4) Comets and eclipses

8. The ancients (Stonehenge)

10. Mesa Verde (Anasazi Indians)

11. Machu Picchu (Mayans)

12. The Hitching Post of the Sun

13. Eclipse (Lunar)

14. Eclipses (Solar)

15. Comet (Hale-Bopp)(1997)

16. Phases of the Moon

17. Moon Landing (1969)

18. Observed Motion of Mars

19. Mercury

20. Venus

21. Mars

22. Voyager I & II (1979)

23. Jupiter (1979)

24. Saturn (1980)

26. Uranus (1986)

27. Neptune (1989)

28. Pluto- Charon (The proto-planet)

29. “How large is the universe?” writing assignment Go outside after sunset (or before sunrise!) and lie on the ground. Ponder the size of the universe and your place in it. After you are finished, write a paragraph that (1) Describes your observations (2) Offers your attempt at answering how large the universe is your place in it

30. If the Sun is the size of a recreational ball 21 cm diameter compared to 1.39 X 10 11 m

31. Planets Would Be… Mercury 8.75 m from the Sun Venus 16.3 m from the Sun Earth 22.5 m from the Sun Mars34.5 m from the Sun Jupiter 118 m from the Sun Saturn 216 m from the Sun Uranus433 m from the Sun Neptune 679 m from the Sun Pluto892 m from the Sun

32. Nearest Star Would Be… Alpha-Centauri is 4 light years away. In this model it would be in Honolulu! 5727 km or 3579 mi.

33. Milky Way Galaxy It is 100000 light-years across and 1000 light- years thick