1) We have __ high tides and __ low tides each day! a) 2, 2 b) 3, 3 c) 4, 4 2) Tides in the ocean are caused mostly by? a) Earths tilt b) the Sun c) the Moon 3) Which is an example of an estuary? a) The Atlantic Ocean b) The Chesapeake Bay c) The Pacific Ocean d) The James River 4) Most waves on the SURFACE are caused by? a) temperature differences b) density differences c) the wind d) the Moon 5) Ocean currents that carry warm water to the poles/cold water to the equator a) gyres b) turbidity currents c) rivers d) abyssal plains 6) Which of these below IS related to plate movement? a) abyssal plain b) continental slope c) continental rise d) mid ocean ridge 7) Which of these below would have a HIGHER density? a) salt water b) fresh water c) brackish water 8) The deepest, darkest, and coldest places on Earth are? a) the continental shelf b) the continental slope c) the abyssal plain d) ocean trenches 9) Climates near the ocean are more mild compared to climates found further inland a) True b) False 10) ___ will bring cold nutrient rich water to the surface. a) turbidity currents b) upwellings c) ocean tides d) ocean gyres 11) ___ in the ocean is a major source of atmospheric oxygen. a) algae b) coral reefs c) benthos d) palegic organisms 12) The area JUST OFF SHORE in the ocean that we swim and boat in is called a) continental slope b) continental rise c) abyssal plain d) continental shelf 13) ___ is a major mechanism of energy transfer in the oceans. a) radiation b) conduction c) convection 14) The tallest mountains and deepest valleys on Earth are found in the ocean a) True b) False 15) Trades winds are supposed to push water West, but if they do not do their job we have? a) gyers b) Doldrums c) El Nino d) a shift from high to low tides 16) What produced the first oxygen on Earth in the ocean? a) invertebrates b) cyanobacteria c) Eukaryotas d) benthos 17) Organisms that live on the BOTTOM of the ocean are called a) pelagic b) benthos c) chordates 18) Which of these is more dense? a) Fresh water b) Salt Water c) Brackish water 19) Which of these is more dense? a) cold water b) warm water 20) Cold nutrient rich water that comes up from the deep a) high tide b) neap tide c) upwelling d) low tide

Oceanography!

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