Grade 8 ReviewWater 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 250oC? 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 250oC? 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 250oC? 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 which Canadian drainage

basin does Winnipeg belong?

A11: Hudson Bay

Q 12: To which Canadian drainage basin does Toronto

belong?

A12: Atlantic

Q 13: To which Canadian drainage

basin does Vancouver belong?

A13: Pacific

Q 14: To which 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 downhillGravity!

Q 16: What is the other major river

that flows through Winnipeg?

A 16: The Red River