Science: Unit 5 - Exploring the Ocean Floor

Question 1

Where would commercial fishermen most likely place their lobster pots?

Accepted Answer

Continental Shelf

Question 2

According to the graph, how does ocean temperature change with depth?

Accepted Answer

Water at 500m is warmer than at 3000m

Question 3

What is a key difference between fresh water and ocean water?

Accepted Answer

Fresh water is less salty

Question 4

Which statement about the ocean floor is true?

Accepted Answer

It has various features like mountains, plains, and ridges

Question 5

Ocean water is a mixture of gasses and dissolved solids.

Accepted Answer

True

Question 6

What is the main factor that influences the type of life forms in the ocean?

Accepted Answer

Living organisms

Question 7

What does the term 'marine' in 'marine habitat' refer to?

Accepted Answer

Ocean

Question 8

Based on the data on wave heights, what conclusion can be drawn?

Accepted Answer

Faster winds generate taller waves

Question 9

What is the main difference between ocean water and lake water?

Accepted Answer

Salt

Question 10

Where do phytoplankton live?

Accepted Answer

Near the surface

Question 11

What are zooplankton?

Accepted Answer

Animal-like plankton

Question 12

Which location has the greatest water pressure, coldest temperatures, and fewest living organisms?

Accepted Answer

Deep ocean

Question 13

What are underwater mountain ranges called?

Accepted Answer

Mid-ocean ridges

Question 14

What is the deepest spot on Earth?

Accepted Answer

Mariana Trench

Question 15

What increases as you dive deeper into the ocean?

Accepted Answer

Water pressure

Question 16

What is the main factor that influences the type of life forms in the ocean?

Accepted Answer

Living organisms

Question 17

What does 'B' indicate in the diagram of the ocean floor?

Accepted Answer

Continental Shelf

Question 18

What does buoyancy refer to?

Accepted Answer

Ability to remain afloat

Question 19

What are the factors that influence the type of life forms in the ocean?

Accepted Answer

Temperature, pressure, light

Question 20

What do algae in the ocean provide?

Accepted Answer

Oxygen

Question 21

Where would most ocean algae be found?

Accepted Answer

Above the continental shelf

Question 22

Is the Mariana Trench the deepest spot on Earth?

Accepted Answer

True

Question 23

What geological feature is created by living organisms?

Accepted Answer

Coral reef

Question 24

What can be tested through scientific observation and experimentation?

Accepted Answer

What type of light fosters the best plant growth?

Question 25

Which location has the greatest water pressure, coldest temperatures, and fewest living organisms?

Accepted Answer

Mariana Trench

Question 26

What do algae in the ocean need lots of?

Accepted Answer

Sunlight

Question 27

What do marine organisms depend on dissolved gasses for?

Accepted Answer

Survival

Question 28

What are the deepest regions of the ocean?

Accepted Answer

Ocean trenches

Question 29

Why would a blue crab struggle to survive in a freshwater pond?

Accepted Answer

It depends on saltwater to live

Question 30

What happens as you go deeper in the ocean?

Accepted Answer

None of the above

Question 31

What factors influence ocean currents?

Accepted Answer

All of the above

Question 32

What do the arrows on the map represent?

Accepted Answer

Ocean currents

Question 33

What is ocean water a mixture of?

Accepted Answer

Gases and salts

Question 34

Plant-like plankton or phytoplankton

Accepted Answer

All of the above

Question 35

Which location has the greatest water pressure, coldest temperatures, and fewest living organisms?

Accepted Answer

The Oceanic Trench

Question 36

What causes ocean currents?

Accepted Answer

Differences in density, Temperature and salinity, Wind patterns

Question 37

What happens to the temperature as the depth of ocean water increases?

Accepted Answer

the pressure increases, the temperature decreases

Question 38

What is the most common cause of waves?

Accepted Answer

Wind

Question 39

What are plant-like plankton called?

Accepted Answer

Phytoplankton

Question 40

What is the result of the Gulf Stream?

Accepted Answer

warmer

Question 41

What are the circular patterns of ocean flow called?

Accepted Answer

Currents

Question 42

What are underwater mountain ranges called?

Accepted Answer

Underwater Mountain Ranges

Question 43

What is the most important reason that lakes and oceans have different types of animal life?

Accepted Answer

Water with more salt

Question 44

What is the Gulf Stream known for?

Accepted Answer

Ocean currents

Question 45

What is the Gulf Stream known for?

Accepted Answer

Strongest current

Question 46

What does the location of coral reefs suggest about coral organisms?

Accepted Answer

They need warm seawater

Question 47

Which factors can cause ocean water to become less salty?

Accepted Answer

River water mixing with ocean water, Melting sea ice

Question 48

Which natural ocean phenomenon is directly influenced by the Moon?

Accepted Answer

Tides

Question 49

Which student correctly mapped the Gulf Stream?

Accepted Answer

Humberto

Question 50

Which number identifies the continental slope?

Accepted Answer

2

Question 51

What is the salinity of the Mediterranean Sea compared to the Atlantic Ocean?

Accepted Answer

Saltier

Question 52

What is the role of phytoplankton in ocean ecosystems?

Accepted Answer

Produce oxygen, Flourish in nutrient-rich water, Serve as the base

Question 53

What is the main factor that influences the type of life forms in the ocean?

Accepted Answer

Location

Question 54

What land features are similar to the ocean floor?

Accepted Answer

Ridges, Mountains, Plains

Question 55

Which of the following represents a predator-prey relationship?

Accepted Answer

Whale and krill

Science: Unit 5 - Exploring the Ocean Floor

Questions 55

Science: Unit 5 - Exploring the Ocean Floor

Questions 55