WorksheetsOceans Review
Total questions: 15
Worksheet time: 30mins
Which answer choice correctly describes the continental shelf? (Read the answer choices carefully!)
A steep drop
A gentle slope
A shallow, gentle slope that is the first part after the shore.
Deep and nearly flat
What organism is missing from this ocean food chain:
sun --> _______ --> consumers --> decomposer
producer
plant
organism
True or False: A food web is made of connected food chains.
False
True
What is salinity?
A complex mixture of gases, water, and dissolved solids.
A measure of all salts dissolved in H2O.
A specific type of phytoplankton.
Check all of the following that correctly describe ocean currents.
Affect navigation routes (paths ships take)
Caused by wind patterns & differences in temperature
Amount of salt in ocean water
Affect mixing of ocean waters and plant and animal populations.
Ocean depth varies from ________ to ________.
Deep to shallow
Shallow to deep
Which part of the ocean floor is the yellow arrow pointing towards?
Continental Shelf
Abyssal Plain
Continental Rise
Ocean Trench
Salinity varies in some places. Click all of the following that affect salinity.
Amount of runoff from nearby land
Depth of water
Melting icebergs
Rate of evaporation
True or False: The ocean floor is covered in thick layers of sediment (sand, mud, rocks).
True
False
Huge ocean waves that travel in a circular pattern are called:
Tides
Currents
Waves
None of the above
The gently sloping area that connects the steep walls of the continental slope to the bottom of the ocean floor is the:
continental shelf
continental slope
abyssal plain
continental rise
The _________ begins at the edge of the continental shelf and plunges down.
continental shelf
continental slope
continental rise
ocean trench
Vast, flat land covering almost half of the deep ocean floor is called the:
Ocean trench
Abyssal plain
Continental slope
Ocean floor
_________ feed on the decaying remainds of surface plants and animals that sink to the ocean floor. One example is bacteria.
Decomposers
Directors
Producers
Consumers
Producers in the ocean are microscopic plants called:
Krill
Phytoplankton
Bacteria
The sun
