Name _________________________________________ Date __________________ Period _______
How The Earth Was Made
YELLOWSTONE
1. What is unusual about Yellowstone?
2. How often does Old Faithful erupt?
3. What does Old Faithful show about the rocks?
4. What actually is Indian Ponds?
5. The mix of gases coming out of the hot springs in the middle of
the park is the same as where?
6. Yellowstone is powered by the heat from a _____.
7. Who were the first people who noticed the activity in and
around Yellowstone?
8. What two thing indicate there is a lot of rhyolite in
Yellowstone?
9. The Yellowstone eruption was so big, it’s called a _____.
10.
How big is the crater in Yellowstone?
11.
What did scientists find in California that told them when
Yellowstone last erupted?
12.
How many earthquakes occur in Yellowstone each year?
13.
What’s happening under the ground to cause so many
earthquakes in Yellowstone?
14.
What is the name of the structure under Yellowstone?
15.
Yellowstone is the only place where a hot spot has erupted
in the middle of a _____.
16.
How often does the Yellowstone hot spot erupt?
17.
When did it last erupt?
18.
What things precede a volcanic eruption?
19.
What happened in 2009?
20.
What is happening to the floor of Yellowstone Lake?
21.
Do scientists know whether or not there will be another
‘super-eruption’?
How The Earth Was Made
YELLOWSTONE - KEY
1. What is unusual about Yellowstone?
The geology that created the park
2. How often does Old Faithful erupt?
90 minutes
3. What does Old Faithful show about the rocks?
That rocks below the surface are very hot
4. What actually is Indian Ponds?
The crater left behind by an erupting geyser
5. The mix of gases coming out of the hot springs in the middle of
the park is the same as where?
A volcano
6. Yellowstone is powered by the heat from a _____.
Volcano
7. Who were the first people who noticed the activity in and
around Yellowstone?
Indians
8. What two things indicate there is a lot of rhyolite in
Yellowstone?
Trees (pines) and insects (mosquitoes)
9. The Yellowstone eruption was so big, it’s called a _____.
A super-eruption
10.
How big is the crater in Yellowstone?
45 miles across
11.
What did scientists find in California that told them when
Yellowstone last erupted?
Ash that was from the Yellowstone eruption
12.
How many earthquakes occur in Yellowstone each year?
5000
13.
What’s happening under the ground to cause so many
earthquakes in Yellowstone?
There is a huge magma chamber underground that moves and changes causing earthquakes
14.
What is the name of the structure under Yellowstone?
Hot spot
15.
Yellowstone is the only place where a hot spot has erupted
in the middle of a _____.
Continent
16.
How often does the Yellowstone hot spot erupt?
On average every 600,000 years
17.
When did it last erupt?
640,000 years ago
18.
What things precede a volcanic eruption?
Lots of earthquakes, the ground above the magma chamber will rise
19.
What happened in 2009?
An increase in earthquake activity
20.
What is happening to the floor of Yellowstone Lake?
It’s rising
21.
Do scientists know whether or not there will be another
‘super-eruption’?
No