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