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SOL 4.7 Oceans Framework Quizs

Total questions: 20

Worksheet time: 18mins

Name
Class
Date
1.

What are the important features of the ocean floor?

a)

Continental shelf, continental slope, continental rise, abyssal plain, and ocean trenches.

b)

Coral reefs, tidal pools, estuaries, and lagoons.

c)

Mountain ranges, valleys, deserts, and forests.

d)

Icebergs, glaciers, rivers, and lakes.

2.

What is the role of phytoplankton in the ocean ecosystem?

a)

Phytoplankton are primary producers that form the base of the ocean food web, providing energy for a wide range of marine organisms.

b)

Phytoplankton are large marine animals that consume other organisms for energy.

c)

Phytoplankton are pollutants that harm marine life and disrupt ecosystems.

d)

Phytoplankton are secondary consumers that feed on zooplankton.

3.

What is salinity?

a)

Salinity is the measure of all salts dissolved in water.

b)

Salinity refers to the temperature of water.

c)

Salinity is the amount of freshwater in a body of water.

d)

Salinity measures the pressure of water in the ocean.

4.

What is the significance of dissolved gases in ocean water?

a)

They provide nutrients for marine plants.

b)

Marine organisms are dependent on dissolved gases for survival.

c)

They help in regulating ocean temperature.

d)

They are a source of energy for underwater volcanoes.

5.

What is the flat sea floor called?

a)

Abyssal Plain

b)

Continental Shelf

c)

Ocean Ridge

d)

Seamount

6.

What is the flow of water from one place to another called?

a)

current

b)

stream

c)

pond

d)

lake

7.

What are sediments?

a)

small rocks, clay, sand, silt and mud

b)

large boulders and stones

c)

liquid water and ice

d)

organic materials like leaves and wood

8.

How do ocean tides impact human activities?

a)

They have no impact on human activities.

b)

They can affect fishing, shipping, and coastal development by influencing water levels and currents.

c)

They only affect recreational activities like swimming.

d)

They primarily influence weather patterns.

9.

What is the deepest feature in the ocean?

a)

trench

b)

valley

c)

trench

d)

island

10.

What is a warm current off the Virginia Coast?

a)

Gulf Stream

b)

California Current

c)

Canary Current

d)

Kuroshio Current

11.

What do we call the twice daily rise and fall of the sea level?

a)

tides

b)

currents

c)

tides

d)

ripples

12.

What is life found in the ocean called?

a)

Marine organisms

b)

Aquatic plants

c)

Marine organisms

d)

Freshwater species

13.

What factors affect the salinity of ocean water?

a)

Rates of evaporation, depth of the water, melting icebergs, and runoff from nearby land.

b)

Temperature of the water, presence of marine life, and ocean currents.

c)

Pollution levels, fishing activities, and shipping routes.

d)

Wind patterns, solar radiation, and underwater volcanoes.

14.

How do tides influence coastal ecosystems?

a)

Tides affect the distribution of nutrients and organisms in coastal areas, influencing feeding and breeding patterns of marine life.

b)

Tides have no significant impact on coastal ecosystems.

c)

Tides only affect the water level and not the organisms living in coastal areas.

d)

Tides primarily influence the temperature of coastal waters.

15.

What is the zone of shallow water between the shore and the continental slope?

a)

Continental Shelf

b)

Oceanic Trench

c)

Continental Rise

d)

Abyssal Plain

16.

What marine organisms would be producers in an ocean food chain?

a)

Fish and crustaceans

b)

Both plants and floating organisms such as algae

c)

Coral reefs and sea urchins

d)

Marine mammals and sharks

17.

What organism is the base of the marine food webs?

a)

phytoplankton

b)

phytoplankton

c)

small fish

d)

coral reefs

18.

How are organisms in the ocean environment grouped?

a)

According to their color: red, blue, green, and yellow organisms.

b)

Based on their size: small, medium, large, and giant organisms.

c)

According to their movement: floating organisms (e.g., plankton), swimming organisms, and non-moving organisms that adhere to surfaces.

d)

By their habitat: deep-sea, coastal, open ocean, and coral reef organisms.

19.

What causes ocean currents?

a)

Wind patterns and temperature differences in water.

b)

The gravitational pull of the moon.

c)

The rotation of the Earth alone.

d)

The presence of large marine animals.

20.

How do ocean currents affect marine life?

a)

They have no effect on marine life.

b)

They influence the mixing of ocean waters, affecting plant and animal populations and navigation routes.

c)

They only affect the temperature of the water.

d)

They are responsible for the creation of new marine species.