January Monthly Exam 6th

Question 1

What is salinity?

Answer 1

Is the total amount of dissolved salts in a sample of water

Question 2

What happens when sodium chloride dissolves in water?

Answer 2

It separates into sodium and chloride particles called ions

Question 3

What makes that the temperatures on water vary?

Answer 3

Location & seasons

Question 4

As you descend throgh the ocean…

Answer 4

The water temperature decreasses.

Question 5

SO_______ NA_______ and R_________

Answer 5

SOund NAvigation and Ranging

Question 6

What is a seamount?

Answer 6

Is a volcanic mountain rising from the ocean floor that doesn’t reach the surface

Question 7

What is a trench?

Answer 7

Is a long deep valley on the ocean floor through wich old ocean floor sinks back toward the mantle

Question 8

What is the continental slope?

Answer 8

The steep edge of continental shelf

Question 9

What is the continental shelf?

Answer 9

Is a gently sloping shallow area the extends outward from the edge of each continent

Question 10

What is the abyssal plain?

Answer 10

Is a broad area covered whit thick layers of mud and slit

Question 11

What are mid-ocean ridges?

Answer 11

Are long chains of mountains on the ocean floors

Question 12

What is a wave?

Answer 12

Is the movement of energy through a body of water

Question 13

The horizontal distance between crests is

Answer 13

Wave lenght

Question 14

The vertical distance to the crest to the trough is

Answer 14

Wave height

Question 15

What is a Tsunami?

Answer 15

A biiiiiiiiiiiiiiig wave

Question 16

A rush of water that flows rapidly back to sea through a narrow opening

Answer 16

Rip current

Question 17

In wich direction do water particles move?

Answer 17

North = to the right

South = to the left

Question 18

What happened in 2004

Answer 18

An Indonesia Tsunami

Question 19

Write 3 characteristics of the ocean

Answer 19

⚫️ Depth
⚫️ Temperature
⚫️ Salinity

Question 20

The conditions in Earth’s ocean change with:

Answer 20

Depth

Question 21

The major ocean floor features includes

Answer 21

• Trench
• continental slope
• Abissal plain
• Continental shelf
• mid-ocean ridges

Question 22

What are the 6 features on the ocean floor?

Answer 22

• trench
• continental slope
• continental shelf
• abissal plain
• mid-ocean ridges
• seamount

Question 23

What causes deep currents?

Answer 23

The differences of density

Question 24

Dunes reduce beach erosion because:

Answer 24

The roots of dune plants hold sand

Question 25

Where can you find Benthos?

Answer 25

Ocean floor : Crabs, sea stars, octopuses, lobsters, etc.