grade 8 review water systems. q 1: the rotation of the earth affects winds and ocean currents. what...
TRANSCRIPT
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