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# Intro to Earth Science Daily Twos

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Daily Two Questions and Answers for Intro to Earth Science Unit 1

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• http://www.elmhurst.edu/~chm/vchembook/122Adensityice.html What is the exact change in volume of the water when it freezes as ice? Comparison of: Liquid water Ice Mass = 100 g  Mass = 100 g  Volume = 100 mL Volume = ? mL  Density = 1.0 g/mL Density = 0.92 g/mLExample: Calculate the volume in a 100 g ice cube with a density of 0.92 g per mL.Solution: The density translated as a conversion factor is: 0.92 g = 1 mL - "per" is equivalent to an equal sign. 100 g x  1.0 mL =  108.7 mL   0.92 g  The increase in volume of ice is about 9%. This increase causes enough force to break most rigid containers. This is the same force, repeated on a daily basis, that creates "pot holes" in the roads in the winter time.
• ### Intro to Earth Science Daily Twos

1. 1. 7/21/2009<br />Daily Two!<br />Earth Science<br />
2. 2. Daily Two 6/17/09<br />Objective: Use the scientific method to solve a density mystery <br />Q.What is the name of the problem solving method used by scientists?<br />A. Scientific Method<br />Q.Name three (3) topics you’ll learn about in Earth Science:<br />A.<br />7/21/2009<br />
3. 3. Daily Two 6/18<br />Q. Before a hypothesis can become an accepted part of scientific knowledge, it must be tested and analyzed.<br />A. True or False<br />Q. Hypotheses that fail rigorous (careful) testing are discarded (thrown away with the trash).<br />A. True or False<br />
4. 4. 7/21/2009<br />Daily Two 8/28 – 8/29<br />Which weighs more, a pound of nails or a pound of pillow fluff?<br />Nails<br />Fluff<br />Neither<br />Which statement is correct:<br />Ice cubes float in water<br />Ice cubes sink in water<br />
5. 5. Daily Two 9/2 – 9/3<br />What is the equation for Density?<br />D = m/V<br />What are the units used to measure Density?<br />g/cm3<br />7/21/2009<br />See R-14 in your planner for a hint!<br />
6. 6. Daily Two 9/4 – 9/5<br />The Nebular Hypothesis describes the formation of what?<br />Solar System<br />Which planets are more dense?<br />Inner planets<br />Outer planets<br />7/21/2009<br />I’m NEB!<br />
7. 7. Daily Two 6/22<br />See Page 7<br />The density of pumice is 0.95g/cm3. Will pumice sink or float in water? <br />Float!<br />Name Earth’s four major spheres:<br />Geosphere<br />Hydrosphere<br />Atmosphere<br />Biosphere<br />Density of Water = 1.0 g/cm3<br />
8. 8. Objective: Identify the contributions of 5 “Old Science Guys” to the study of astronomy <br />Daily Two 6/24<br />What is the density of water?<br /> 1 g/cm3<br />Objects with a low density and objects with a high density <br /> .<br />Float<br />Sink<br />
9. 9. Test 1 Grade Scale<br />71 + A<br />64 – 70 B<br />56 – 63 C<br />48 – 55 D<br />47 or less F<br />If you scored 50 or below, you are eligible to retake the test!<br />Make up tests and retakes are to be made up at Lunch on Thursday or Friday <br />or After School by appointment only<br />
10. 10. Daily Two 9/18 – 9/19<br />Which old science guy was the first to suggest a sun centered solar system?<br />Which old science guy discovered the moons of Jupiter?<br />7/21/2009<br />
11. 11. Daily Two 9/22 – 9/23<br />Which old science guy realized that gravity is universal when he got hit in the head with an apple?<br />Newton<br />Which old science guy came up with 3 laws of planetary motion?<br />Kepler<br />7/21/2009<br />
12. 12. Daily Two 9/24 – 9/25 Video Questions<br />How did the moon form?<br />Who was the first scientist to look at the moon with a telescope?<br />7/21/2009<br />
13. 13. Daily Two 9/26 – 9/29 Video Questions<br />What’s UPwith China?<br />What’s China’s goal in space?<br />7/21/2009<br />
14. 14. DID YOU?<br />Turn in your Gummy Bear Worksheet?<br />Turn in your Nebular Hypothesis Sketch Notes?<br />Keep ALL your returned work in your binder?<br />Check the crate for make up work if you were absent?<br />7/21/2009<br />
15. 15. Odd ClassesMake Up Work Crate<br />
16. 16. Even ClassesMake Up Work Crate<br />
17. 17. Ms. WallsEarth Science<br />
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