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Grade 8 Review

Grade 8 Review. Water Systems. Q 1: The rotation of the Earth affects winds and ocean currents. What is this effect called?. A1: The Coriolis Effect.

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Grade 8 Review

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  1. Grade 8 Review Water Systems

  2. Q 1: The rotation of the Earth affects winds and ocean currents. What is this effect called?

  3. A1: The Coriolis Effect

  4. Q 2: The water cycle involves runoff, evaporation, condensation, absorption, precipitation and transpiration. What are the 3 main processes?

  5. A2: evaporation, condensation, precipitation

  6. Q 3: A ship travels from fresh water to sea water? Will the ship float higher or lower in the water?

  7. A3: higher

  8. Q 4: A student heats equal amounts of sand and water in identical beakers on a hot plate set at 250oC? He measures the temperature of both substances every minute for 45 minutes.What is the independent variable?

  9. A4: The substance (i.e. water or sand).

  10. Q 5: A student heats equal amounts of sand and water in identical beakers on a hot plate set at 250oC? He measures the temperature of both substances every minute for 45 minutes.What is the dependent variable?

  11. A5: The temperature of the material.

  12. Q 6: A student heats equal amounts of sand and water in identical beakers on a hot plate set at 250oC? He measures the temperature of both substances every minute for 45 minutes.What is a possible hypothesis?

  13. A6: I believe that the water will heat up more slowly.

  14. Q 7: I believe that the water will heat up more slowly.Why is this?

  15. A7: Water has a HIGH HEAT CAPACITY!

  16. Q 8: Not all fresh water sources are safe. What term is used to describe drinkable water ?

  17. A8: Potable

  18. Q 9: Where does Winnipeg get its drinking water?

  19. A9: Shoal Lake, ON

  20. Q 10: Why are ocean currents important?

  21. A10: They distribute heat around the globe; they affect climate; they create upwellings which stir nutrients off the ocean floor.

  22. Q 11: To which Canadian drainage basin does Winnipeg belong?

  23. A11: Hudson Bay

  24. Q 12: To which Canadian drainage basin does Toronto belong?

  25. A12: Atlantic

  26. Q 13: To which Canadian drainage basin does Vancouver belong?

  27. A13: Pacific

  28. Q 14: To which Canadian drainage basin does Calgary belong?

  29. Q 14: Hudson Bay

  30. Q 15: Water flowing down the Assiniboine River flows east towards the Forks. Why?

  31. A15: Water flows downhillGravity!

  32. Q 16: What is the other major river that flows through Winnipeg?

  33. A 16: The Red River

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