Download Gr.8-Ch.2-Review-Sheet-2014

Gr.8 Science Water Systems Unit 1-CHAPTER 2
Name:__________________________________ Class:______________
Ch.2 Term Review Sheet
1. Ocean water that moves in a particular and
unchanging direction
2. The type of tide that occurs when the sun, moon, and
earth are in line
3. The current descending from the north of the East
coast of Newfoundland in a southerly direction is the
________ current.
4. The current in question 3 is cold or warm?
5. The current ascending from the south of the East
coast of Newfoundland in a northernly direction is the
________ current.
6. The current in question 5 is cold or warm?
7. The water quality test that indicates how much acid is
in a water sample is
8. What are the 6 types of ocean floor exploration
technology learned in this unit?
9. What are the three types of submersibles?
10. What are two advantages of satelllites?
11. The lowest part on a wave is called
12. The highest part on a wave is called
13. A measurement on a wave from trough to trough is
called
14. A measurement on a wave from crest to trough is
called
15. The four major processes that lead to the
development of ocean basins and continental drainage
systems are
Answers:
Gr.8 Science Water Systems Unit 1-CHAPTER 2
Name:__________________________________ Class:______________
16. _____ has built ocean floor along mid-ocean ridges
in areas where plates separate.
17. _____ has aided the further development of
continental drainage systems as material is removed and
deposited into the ocean basins.
18. _____ move changing the position of the continents.
19. _____ is a force of erosion in the development of
continental drainage systems.
20. Water on earth came from_____ and _____.
21. Water collected in the lowest parts of the Earth’s
surface known as the _____.
22. A tumble of water when a wave collapses onshore is
called _____.
23. Giant waves that can be sent in motion by
earthquakes on the ocean floor, landslides or volcanic
eruptions near the shoreline are called
24. An area where two tectonic plates split apart oozing
out magma and form an underwater mountain range is
called a _____.
25. An/a_____ brings nutrient-rich water to the surface
to make for great fishing.
26. A powerful, steady , smooth wave in the ocean is
called _____.
27. Ocean basins are covered and uncovered in regular
daily cycles by the _____ and ____ of the ocean called
tides.
28. Movement of tides are called_____.
29. The largest tidal movements are called ________
__________. These occur when the
__________,_________,and the _______are in with
each other. During this time, the tides are extra ______
and extra ________.
Gr.8 Science Water Systems Unit 1-CHAPTER 2
Name:__________________________________ Class:______________
30. The smallest tidal movements are called ________
________. These occur when the sun and the moon are
at ________ ________ to each other. During this time,
there is little difference between ________ and
________ tides.
31. A tidal range is the difference in ________ between
a ________ tide and a ________ tide.
32. What links the sun, moon, and tides?