Erosion
True or false? Erosion can be caused by water, wind, and even ice.
TRUE
Are canyons made very quickly or very slowly?
Canyons are made very slowly because it has to rain over and over. It takes a lot of time for water to break down the land or rock.
What is the REAL name of the Strange River?
The Milk River
True or false? A newborn baby is 78% water.
TRUE! Check out the link below for more information.
Erosion happens when the earth is broken down or dissolved and carried away by wind or water.
How is sand made?
Rocks travel down rivers and streams and break down along the way getting smaller and smaller.
Where do all rivers start?
Rivers start in mountains.
Some rivers are as wide as lakes. If you see one, how can you tell it is a river and not a lake?
You can check if the water flows. A river has water that flows.
Imagine a dumptruck dumped a huge mound of dirt in the park. Will the dirt stay in the mound forever? Why or why not?
How are canyons made?
Canyons are made by water, rivers, and erosion.
How does the Strange River get its color?
The Strange River gets its color because of erosion. Water carries sand, rocks, and dirt into the Strange river which mades it look tan.
What are the 2 longest rivers in the United States?
The Missouri River and the Mississippi River
If a wildfire burns up all of the plants on a steep hill, is a landslide more or less likely to happen? Explain.
A landslide is MORE likely to happen because there are no roots to hold down the soil and no leaves to soften the raindrops or soak up the rain.
How was the Grand Canyon made?
Erosion from the Colorado River cut a deep channel into the rock. This has taken millions of years to form.
Why do rivers flow?
Rivers flow because water is moving from a high place to a lower place.
Why is the Amazon River called the "River of Life"?
The Amazon River is called the "River of Life" because it is home to many plants and animals. Also, it provides freshwater to many people.
Describe how roots, leaves, and ground cover help to prevent erosion.
Plants hold down the soil with their roots. Leaves keep raindrops from hitting the soil. Plants on the ground help soak up rainwater.
Where are flash floods most likely to happen?
Flash floods are most likely to happen where high land meets low land and where rainstorms are likely. They are also likely to happen where there is clay soil and lots of pavement.
What is the longest river in the world?
The Amazon River
Describe how rivers are born?