Science: Middle School: Grades 6, 7 and 8 Quiz - Earthquakes and Volcanoes 2 (Questions)

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Earthquakes are measured with a seismometer. A magnitude of 3 or lower is mostly imperceptible, however a magnitude of 7 can cause serious damage over large areas.

Test your knowledge with this second of three quizzes on the subject.

1. Which layer is immediately below the earth's crust?
[ ] Core
[ ] Horizon
[ ] Mantle
[ ] Margin
2. What form does the mantle take?
[ ] Gas
[ ] Ice
[ ] Semi-liquid
[ ] Solid rock
3. Which ocean has a ring of earthquakes and volcanoes around its edge?
[ ] Arctic
[ ] Atlantic
[ ] Indian
[ ] Pacific
4. An earthquake can be measured on what scale?
[ ] Reuter
[ ] Richter
[ ] Richthofen
[ ] Rickman
5. Earthquakes are most likely to happen where?
[ ] In the center of plates
[ ] Near plate edges
[ ] Under the highest mountains
[ ] Where major rivers enter oceans
6. How can you tell that South America and Africa were once joined?
[ ] America and Africa both begin and end with 'a'
[ ] By the shape of their coastlines
[ ] The native people look alike
[ ] They both have major deserts
7. Mauna Loa is a volcano in which American state?
[ ] Alaska
[ ] Hawaii
[ ] Montana
[ ] New Mexico
8. A volcano not expected to erupt again is called what?
[ ] Dead
[ ] Extinct
[ ] Idle
[ ] Obsolete
9. Heated underground water rising to the surface under huge pressure is a...?
[ ] Geezer
[ ] Geyser
[ ] Giza
[ ] Gyeeser
10. Large rocks thrown from a volcano have what name?
[ ] Bombs
[ ] Bricks
[ ] Lava lumps
[ ] Missiles
Science: Middle School: Grades 6, 7 and 8 Quiz - Earthquakes and Volcanoes 2 (Answers)
1. Which layer is immediately below the earth's crust?
[ ] Core
[ ] Horizon
[x] Mantle
[ ] Margin
2. What form does the mantle take?
[ ] Gas
[ ] Ice
[x] Semi-liquid
[ ] Solid rock
3. Which ocean has a ring of earthquakes and volcanoes around its edge?
[ ] Arctic
[ ] Atlantic
[ ] Indian
[x] Pacific
Known as the 'Pacific Ring of Fire'
4. An earthquake can be measured on what scale?
[ ] Reuter
[x] Richter
[ ] Richthofen
[ ] Rickman
5. Earthquakes are most likely to happen where?
[ ] In the center of plates
[x] Near plate edges
[ ] Under the highest mountains
[ ] Where major rivers enter oceans
The edges of plates are very unstable
6. How can you tell that South America and Africa were once joined?
[ ] America and Africa both begin and end with 'a'
[x] By the shape of their coastlines
[ ] The native people look alike
[ ] They both have major deserts
They split apart as the earth's plates moved!
7. Mauna Loa is a volcano in which American state?
[ ] Alaska
[x] Hawaii
[ ] Montana
[ ] New Mexico
Hawaii has a national park called 'Volcanoes'
8. A volcano not expected to erupt again is called what?
[ ] Dead
[x] Extinct
[ ] Idle
[ ] Obsolete
9. Heated underground water rising to the surface under huge pressure is a...?
[ ] Geezer
[x] Geyser
[ ] Giza
[ ] Gyeeser
10. Large rocks thrown from a volcano have what name?
[x] Bombs
[ ] Bricks
[ ] Lava lumps
[ ] Missiles
They can be thrown hundreds of feet in the air