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Volcanoes and earthquakes Quiz for Grade 6

10 science questions on volcanoes and earthquakes with answers, written for Grade 6. Use it as it is, change any question, print it with an answer key, or give it online and let it grade itself.

1.
What causes an earthquake? (Multiple choice)
  1. Volcanic ash
  2. Strong winds
  3. Heavy rainfall
  4. Movement of tectonic plates
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Movement of tectonic plates

Earthquakes happen because tectonic plates move and cause the ground to shake.
2.
Which part of a volcano is the opening where lava comes out? (Multiple choice)
  1. Lava flow
  2. Crater
  3. Magma chamber
  4. Vent
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Vent

The vent is the opening through which lava exits the volcano.
3.
Which scale is used to measure the strength of earthquakes? (Multiple choice)
  1. Beaufort scale
  2. Fahrenheit scale
  3. Richter scale
  4. Decibel scale
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Richter scale

The Richter scale measures how strong an earthquake is.
4.
What is magma called when it reaches the Earth's surface? (Multiple choice)
  1. Ash
  2. Melt
  3. Magma
  4. Lava
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Lava

Magma is called lava once it flows out of the volcano onto the surface.
5.
Which of these is NOT a type of volcano? (Multiple choice)
  1. Cinder cone volcano
  2. Tornado volcano
  3. Composite volcano
  4. Shield volcano
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Tornado volcano

Tornado volcano is not a real volcano type.
6.
Earthquakes can cause tsunamis if they occur under the ocean. (True or false)
  1. True
  2. False
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True

Underwater earthquakes can trigger tsunamis.
7.
Volcanoes only erupt once and then become extinct. (True or false)
  1. True
  2. False
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False

Many volcanoes erupt multiple times over years.
8.
Name the layer of the Earth where most earthquakes originate. (Identification)
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Lithosphere

Earthquakes usually start in the lithosphere, which includes the crust and upper mantle.
9.
The point on the Earth's surface directly above the earthquake focus is called the _____. (Fill in the blank)
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epicenter

The epicenter is above the focus where the earthquake starts underground.
10.
Match each term with its correct meaning. (Matching type)
1. Magma chamber
A. Break in Earth's crust where movement occurs
2. Seismograph
B. Underground pool of molten rock
3. Ash cloud
C. Instrument that records earthquakes
4. Fault
D. Cloud of volcanic ash after eruption
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1 = Underground pool of molten rock; 2 = Instrument that records earthquakes; 3 = Cloud of volcanic ash after eruption; 4 = Break in Earth's crust where movement occurs

Each term relates to volcanoes or earthquakes with its specific meaning.