Sand Dunes Shouldn’t Exist (Here’s Why They Do)

Sand Dunes Shouldn’t Exist (Here’s Why They Do)

Assessment

Interactive Video

Science

11th Grade - University

Practice Problem

Easy

Created by

Wayground Content

Used 1+ times

FREE Resource

The video explores the fascinating world of sand dunes, explaining their formation through wind and sand interactions. It delves into the unique characteristics of sand, the self-organizing patterns of ripples, and the historical contributions of Ralph Bagnold to aeolian processes. The dynamics of dune formation, their environmental impact, and their presence on other planets are also discussed, highlighting the beauty and complexity of these natural structures.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary factor in the formation of sand dunes?

Volcanic activity

Earthquakes

Wind interaction

Water currents

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a component of sand?

Quartz

Iron ore

Volcanic ash

Gypsum

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the key factor that determines the distance a sand grain travels in the wind?

The color of the sand

The size and weight of the grain

The temperature of the air

The humidity level

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who is credited with discovering the foundations of aeolian processes?

Ralph Bagnold

Albert Einstein

Charles Darwin

Isaac Newton

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when the angle of a sand dune stack reaches 33 or 34 degrees?

The dune disappears

The dune becomes stable

An avalanche occurs

The dune collapses

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of dune is formed by wind blowing in multiple directions?

Transverse dune

Longitudinal dune

Star dune

Barchan dune

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for the process of land turning into desert-like conditions?

Urbanization

Erosion

Desertification

Deforestation

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