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I WONDER - How Does Erosion Affect Waterfalls?

I WONDER - How Does Erosion Affect Waterfalls?

Assessment

Interactive Video

Science, Biology

KG - 6th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

Waterfalls, though seemingly permanent, can change location over time due to erosion. As water falls over a cliff, it erodes the rock beneath, causing the waterfall to retreat upstream. This process is exemplified by Victoria Falls in Africa, which has moved over five miles in thousands of years. Waterfalls can be seen as explorers, continuously shaping the landscape.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What common misconception about waterfalls is addressed in the video?

They are always moving.

They are only found in Africa.

They are man-made.

They are permanent fixtures.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What natural process causes waterfalls to change their location over time?

Tectonic shifts

Volcanic activity

Erosion

Earthquakes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does erosion affect the position of a waterfall?

It increases the height of the waterfall.

It causes the waterfall to retreat upstream.

It changes the color of the water.

It makes the waterfall wider.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which famous waterfall is mentioned as an example of a retreating waterfall?

Victoria Falls

Iguazu Falls

Niagara Falls

Angel Falls

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How far has Victoria Falls moved over thousands of years?

Two miles

Exactly ten miles

Less than a mile

More than five miles

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