How many natural stone arches are there in the Arches NP? A) about 200 B) about 2,000 C) 20,000
more than 2000
What is special about the Old Faithful geyser?
It erupts regularly, on average every 79 minutes
Where can you find hoodoos and what are they?
in Bryce Canyon/ odd-shaped, tall pillars of rock
Where can you find slot canyons?
in southwestern United States- Utah, Arizona
Where is the Grand Canyon located?
in the state of Arizona
Which river carved the Grand Canyon?
the Colorado River
What is a flashflood?
a sudden, severe flood, usually caused by a heavy rain that falls over a short period of time
How deep is the Grand Canyon at its deepest point?
Around 1.6 kilometers (1 mile).
How was the Crater Lake formed?
after a volcano eruption
What is the Yellowstone National Park famous for?
geysers, hot springs, mud pots
Why do hot springs have different colours?
because of thermophiles that live at different temperatures