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

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Presentation transcript:

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

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

A2: evaporation, condensation, precipitation

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

A3: higher

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?

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

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?

A5: The temperature of the material.

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?

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

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

A7: Water has a HIGH HEAT CAPACITY!

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

A8: Potable

Q 9: Where does Winnipeg get its drinking water?

A9: Shoal Lake, ON

Q 10: Why are ocean currents important?

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

Q 11: To w hich Canadian drainage basin does Winnipeg belong?

A11: Hudson Bay

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

A12: Atlantic

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

A13: Pacific

Q 14: To w hich Canadian drainage basin does Calgary belong?

Q 14: Hudson Bay

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

A15: Water flows downhill Gravity!

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

A 16: The Red River