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# Grade 8 Review - PowerPoint PPT Presentation

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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Water Systems

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

A1: The currents. What is this effect called?Coriolis Effect

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

A currents. What is this effect called?2: evaporation, condensation, precipitation

Q 3: currents. What is this effect called?A ship travels from fresh water to sea water? Will the ship float higher or lower in the water?

A3: currents. What is this effect called?higher

Q 4: currents. What is this effect called?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?

A4: currents. What is this effect called?The substance (i.e. water or sand).

Q 5: currents. What is this effect called?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?

A5: currents. What is this effect called?The temperature of the material.

Q 6: currents. What is this effect called?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?

A6: currents. What is this effect called?I believe that the water will heat up more slowly.

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

A7: currents. What is this effect called?Water has a HIGH HEAT CAPACITY!

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

A8: currents. What is this effect called?Potable

Q 9: currents. What is this effect called?Where does Winnipeg get its drinking water?

A9: Shoal Lake, ON currents. What is this effect called?

Q 10: currents. What is this effect called?Why are ocean currents important?

A10: currents. What is this effect called?They distribute heat around the globe; they affect climate; they create upwellings which stir nutrients off the ocean floor.

Q 11: To w currents. What is this effect called?hich Canadian drainage basin does Winnipeg belong?

A11: Hudson Bay currents. What is this effect called?

Q 12: To w currents. What is this effect called?hich Canadian drainage basin does Toronto belong?

A12: Atlantic currents. What is this effect called?

Q 13: To w currents. What is this effect called?hich Canadian drainage basin does Vancouver belong?

A13: Pacific currents. What is this effect called?

Q 14: To w currents. What is this effect called?hich Canadian drainage basin does Calgary belong?

Q 14: Hudson Bay currents. What is this effect called?

A15: Water flows downhill towards the Forks. Why?Gravity!

Q towards the Forks. Why?16: What is the other major river that flows through Winnipeg?

A 16: The towards the Forks. Why?Red River