4. A quiz

What have visitors to Yellowstone Park been fascinated by?
1. hot springs and geysers
2. trees and other plants
3. wildlife there
4. the climate there
Where do more than 3 million people walk?
1. through the city
2. behind the Niagara falls
3. over one of the largest active volcanoes in the world
4. through the special tree collection
What is Yellowstone?
1. a hill
2. a small park
3. a botanic garden
4. a volcano
When was there the last big eruption?
1. 40,000 years ago
2. 640,000 days ago
3. 460,000 years ago
4. 640,000 years ago
What happened then?
1. the ash from the volcano covered most parts of North America and changed the climate
2. the ash from the volcano covered most parts of Australia and changed the climate
3. the ash from the volcano covered most parts of Asia and changed the climate
4. the ash from the volcano covered most parts of Europe and changed the climate
How big is the hole?
1. 45 km long and 85 km wide
2. 85 km long and 45 km wide
3. 15 km long and 35 km wide
4. 185 km long and 145 km wide
What have tests shown?
1. that thousands of earthquakes happen every day
2. that a hundred of earthquakes happen every day
3. that thousands of eruptions happen every day
4. that thousands of earthquakes happen every year
Why can’t people feel the earthquakes?
1. because they are too stupid
2. because they aren't sensitive enough
3. because their shoes are too good
4. because the paths through the park are made that way
What has happened to the number of earthquakes?
1. it has increased
2. it has stayed the same
3. it has lowered
4. nothing
What has happened to the level of the ground in some parts?
1. nothing
2. it has risen
3. it has lowered
4. it has changed in position
What is volcanic observatory using?
1. sensitive headphones
2. sensitive microphones
3. sensitive new equipment
4. sensitive radios
What has happened in Yellowstone in the last 2.1 million years?
1. it hasn't had any super eruptions yet
2. it has had one super eruption
3. it has had two super eruptions
4. it has had three super eruptions
What is impossible to be sure about?
1. if there is a danger of another giant explosion
2. if next year there is about to be another giant explosion
3. if geysers are about to disappear from Yellowstone
4. if Yellowstone Park is about to be closed in near future

4. A quiz

Quiz