Oceanography Concepts and Features

Oceanography Concepts and Features

Assessment

Interactive Video

Geography

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The lecture covers geological oceanography, focusing on bathymetry, which maps sea floor features. It compares bathymetry to land topography and discusses techniques like echo sounding, multi-beam sonar, and satellite imagery. The lecture also describes deep sea floor features such as continental shelves, slopes, and mid-ocean ridges. It explains marine sediment types and their origins, including lithogenous, biogenous, hydrogenous, and cosmogenous sediments. Finally, it discusses sediment sorting, transport, and deposition using the Wentworth scale.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of bathymetry?

Studying ocean currents

Measuring water temperature

Mapping the sea floor

Analyzing marine life

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which technology uses sound to measure sea floor depth?

Thermal imaging

Satellite imagery

Rope measurement

Echo sounder

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the continental shelf?

A deep ocean trench

A flat area near the coastline

An underwater mountain range

A steep slope leading to the ocean floor

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which feature is an underwater mountain range with a rift valley?

Seamount

Trench

Mid-ocean ridge

Abyssal plain

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of sediment originates from land and is carried to the ocean?

Biogenous

Lithogenous

Hydrogenous

Cosmogenous

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which sediment type is formed from the remains of marine organisms?

Hydrogenous

Lithogenous

Cosmogenous

Biogenous

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Wentworth scale classify?

Ocean currents

Water temperature

Sediment size

Marine life

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