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 250 o C? 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 250 o C? 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 250 o C? 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 w hich Canadian drainage basin does Winnipeg belong?

23. A11: Hudson Bay

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

25. A12: Atlantic

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

27. A13: Pacific

28. Q 14: To w hich 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 downhill Gravity!

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

33. A 16: The Red River