1. TIDES Stations Activity DO NOT WRITE THE QUESTIONS. Make sure you answer in COMPLETE SENTENCES.

2. Station #1: High Tides vs. Low Tides Part 1: (1:19) Bay of Fundy Tide Time Lapse - http://www.youtube.com/watch?v=budXQlGL8Dc http://www.youtube.com/watch?v=budXQlGL8Dc As you watch the clip, focus on the following questions to answer in your notebook: 1.Why is this clip shown as a time lapse? 2. Describe the low tide. 3. Describe the high tide. 4. How long did it take for the high tide to occur?

3. Part 2: (4:00) The Moon Tides http://www.youtube.com/watch?v=rRPtNA A-9UEhttp://www.youtube.com/watch?v=rRPtNA A-9UE 1. What causes the Earth’s tides? 2. How long does it take for the moon to revolve around the Earth? 3. Why are there 2 high tides and 2 high tides every day? 4. Why do the high tides and low tides occur at slightly different times each day? 5. Why is the ocean bulge ahead of the moon?

4. Station #2: Spring vs. Neap Tide Animation/Website - http://www.mmscrusaders.com/newscirocks/tides/tideanim.htm http://www.mmscrusaders.com/newscirocks/tides/tideanim.htm Use the website to answer the following questions: Spring Tides: 1. What is a spring tide? 2. At what two moon phases do spring tides occur? 3. Why do spring tides occur at these two phases? 4. Draw a diagram of the sun, moon, and earth during a spring tide. Neap Tides 5. What is a neap tide? 6. At what to moon phases do neap tides occur? 7. Why do neap tides occur at these two phases? 8. Draw a diagram of the sun, moon, and earth during a neap tide. Drawing Conclusions: 9. How are spring tides high tides different? 10. How are neap tides and low tides different?

5. WHEN YOU FINISH… Come see me for your assessment.

6. Station #3: Tides and Newton’s Laws Animation/Website: http://oceanservice.noaa.gov/education/tutorial_tides/media/supp_ti de06a.html http://oceanservice.noaa.gov/education/tutorial_tides/media/supp_ti de06a.html Use the website to answer the following questions: 1. Draw the positions of the sun, moon, and Earth during a SPRING tide. Be sure to include arrows indicating the forces at work in your diagram. 2. Draw the positions of the sun, moon, and Earth during a NEAP tide. Be sure to include arrows indicating the forces at work in your diagram. 3. Describe how Newton’s 2nd law (F=MXA) applies to spring tides. 4. Using one of Newton’s Laws, explain why the tides never stop.