Vocabulary
The steep slope at the edge of the continental shelf leading to the ocean floor is the _______.
continental slope
Most marine organisms live along the ___________.
continental shelf
What zone receives the most sunlight and has the most living creatures?
The sunlight zone
The ocean is constantly moving. Give the three example of ocean motion we learned about.
waves, currents, and tides
True or False. Wind causes surface waves.
True.
What is salinity?
The "saltiness" of ocean water.
Underwater mountain ranges are called _________.
mid-ocean ridges
What are the three zones of the ocean in order (top to bottom)
sunlight zone, twilight zone, midnight zone
As ocean depth increases what happens to the temperature, light, and pressure?
Temperature and light decrease and pressure increases.
What types of plankton did we learn about?
zooplankton (animal-like) and phytoplankton (plant-like)
What is the top of a wave called?
crest
The continental shelf and slope are made of ___________.
sand, mud, rock, and thick sediment
From top to bottom, which zone is the smallest?
The sunlight zone.
What are the plant-like organisms that float on or near the ocean's surface and produce much of the Earth's oxygen?
phytoplankton
What are underwater volcanoes called?
Guyot
What is the bottom of the wave called?
Trough
What is an abyssal plain?
a part of the ocean that is characterized by flat or gently sloping ocean floor
True of False. Some light reaches the midnight zone, but not much.
False. No sunlight reaches the midnight zone.
List all of the oceans in order from smallest to largest.
Artic, Indian, Atlantic, Pacific
What is a breaker?
a wave where the crest breaks into the trough
Wavelength and wave height
What is a seamount?
a mountain rising from the seafloor that does not reach the water’s surface; typically formed from extinct volcanoes.
List two animals from each zone of the ocean.
Answers will vary.
What determines the salinity of an ocean?
Rates of evaporation and runoff from nearby land.
True or False. Bioluminescent means that ocean animals can't produce their own light.
False.