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1 st 9 Week Study Guide Answers

1 st 9 Week Study Guide Answers . Scientific Method. A hypothesis is a possible explanation or answer to the question . True . Scientific Method. An observation is when you tell your friends about what happened in the scientific method . False . Scientific Method.

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1 st 9 Week Study Guide Answers

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  1. 1st 9 Week Study Guide Answers

  2. Scientific Method • A hypothesis is a possible explanation or answer to the question. • True

  3. Scientific Method • An observation is when you tell your friends about what happened in the scientific method. • False

  4. Scientific Method • You should not communicate the results of your experiment because others will copy you. • False

  5. Scientific Method • The scientific method is a series of steps that scientists use to answer questions and solve problems. • True

  6. Scientific Method • When testing the hypothesis, you have a controlled factor and a variable factor. • True

  7. Lab Safety • How should you cut an object in the lab? • Away from yourself and table mates, on a hard surface

  8. Lab Safety • What should you do if glassware at your lab table is broken? • Tell teacher

  9. Lab Safety • Where should all your books and notebooks be during a lab? • On floor under tables and chairs

  10. Lab Safety • When should you wear safety goggles in lab? • Whenever there is even the slightest chance harm could come to your eyes.

  11. Lab Safety • Where should all electrical cords be during a lab? • Taped down to table and floor

  12. Minerals • List the types of nonmetallic luster for a mineral: • Resinous, waxy, pearly, earthy, vitreous, silky

  13. Minerals • How would you describe what minerals are? • Is it a solid? • Is a formed in nature? • Does it have a crystalline structure? • Is it non-living material?

  14. Minerals • Halite is a(n) ___________ of sodium and chlorine. • Compound

  15. Minerals • The two most common elements in the Earth's crust are ___________ and __________. • Silicon and oxygen

  16. Minerals • A mineral's streak is more reliable than ________ in identifying a mineral. • Color

  17. Minerals • Gold, silver, and copper are all examples of ____________. • Native elements

  18. Minerals • When quartz breaks it forms a curved pattern called _________. • Fracture

  19. Minerals • Nonsilicate minerals do not contain combinations of ________ or _______. • Silicon and oxygen

  20. Minerals • _________ minerals make up less than ten percent of the Earth's crust. • Non-silicate

  21. Minerals • On Mohs' hardness scale, what minerals are harder than quartz? • Topaz, Corundum, and Diamond

  22. Weathering, Erosion, and Deposition • Rust is produced by the oxidation of what metal? • Iron

  23. Weathering, Erosion, and Deposition • The process in which water freezes and widens cracks in a rock is called ______________. • Ice wedging

  24. Weathering, Erosion, and Deposition • Smooth rocks in a river have usually been rounded by what type of physical weathering? • Abrasion

  25. Weathering, Erosion, and Deposition • A rusty car has undergone what type of chemical weathering? • oxidation

  26. Weathering, Erosion, and Deposition • After thousands of years of weathering, the soft outer parts of an ancient volcano have worn away, leaving the harder, more weather resistant rock of Devil’s Tower behind. This is a spectacular example of ___________ weathering. • Differential weathering

  27. Weathering, Erosion, and Deposition • The organic part of soil is called _______________. • Humus

  28. Weathering, Erosion, and Deposition • Weathering by abrasion can be caused by what three forces? • Wind, water, gravity

  29. Weathering, Erosion, and Deposition • After soil forms, it can be blown or washed away from its parent rock and deposited. This soil is then called _____________ soil. • Transported

  30. Weathering, Erosion, and Deposition • Describe what can be found in the B Horizon of a soil profile. • Subsoil

  31. Weathering, Erosion, and Deposition • What benefits does healthy soil provide? • Homes for animals, nutrients for plants, and storage for water

  32. Weathering, Erosion, and Deposition • What is a type of slow mass movement? • creep

  33. Weathering, Erosion, and Deposition • The lifting and removal of sediment by wind is called ______________. • Deflation

  34. Weathering, Erosion, and Deposition • List the different processes of wind erosion. • Saltation, deflation, abrasion

  35. Weathering, Erosion, and Deposition • What erosion process tends to leave behind features called desert pavement? • Deflation

  36. Weathering, Erosion, and Deposition • What landforms created by glacial erosion are also called glacial troughs? • U-shaped valley

  37. Weathering, Erosion, and Deposition • All slopes undergo a very slow mass movement called ___________. • Creep

  38. Weathering, Erosion, and Deposition • This is the skipping and bouncing of sand-sized particles in the direction the wind is blowing. • Saltation

  39. Weathering, Erosion, and Deposition • This type of moraine forms when rock materials are dropped at the front of a glacier. • Terminal moraine

  40. Weathering, Erosion, and Deposition • A group of loose rocks that fall or roll down a steep slope is called a ___________. • Rock fall

  41. Weathering, Erosion, and Deposition • The rapid movement of a large mass of mud is called a ___________. • Mudflow

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