Volcanoes and earthquakes
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Questions
- 1Multiple choice · 20 s · 10 ptsNot played yet
The Earth's crust is broken into huge, slowly moving pieces. What are they called?
- AFault lines
- BMagma chambers
- CTectonic plates
- DContinents
- 2Multiple choice · 20 s · 10 ptsNot played yet
About how fast do tectonic plates move?
- AA few metres per day
- BA few centimetres per year
- CA few kilometres per year
- DAbout one metre per hour
- 3True or false · 20 s · 10 ptsNot played yet
Most earthquakes happen far away from the edges of tectonic plates.
- ✓True · བདེན།
- ✕False · རྫུན།
- 4Multiple choice · 20 s · 10 ptsNot played yet
In the middle of the Atlantic Ocean, new sea floor forms along the boundary between two tectonic plates. What are the plates doing there?
- AMoving apart
- BPushing together
- CSliding past each other
- DNot moving at all
- 5Multiple choice · 20 s · 10 ptsNot played yet
Watch the video. What is molten rock called once it flows out of a volcano onto the surface?
- AMagma
- BAsh
- CCrust
- DLava
- 6Multiple choice · 20 s · 10 ptsNot played yet
What is the bowl-shaped hollow at the top of the volcano in the picture called?

- AMagma chamber
- BCrater
- CEpicentre
- DFault
- 7Multiple choice · 20 s · 10 ptsNot played yet
The grey cloud rising from the volcano in the picture is mainly made of what?

- AWater vapour only
- BSmoke from burning trees
- CTiny pieces of rock and glass
- DDust from the desert
- 8Multiple choice · 20 s · 10 ptsNot played yet
A volcano that has not erupted for a very long time, but could erupt again, is described as what?
- ADormant
- BExtinct
- CActive
- DCollapsed
- 9True or false · 20 s · 10 ptsNot played yet
An extinct volcano is one that is erupting right now.
- ✓True · བདེན།
- ✕False · རྫུན།
- 10True or false · 20 s · 10 ptsNot played yet
Volcanoes are found under the sea as well as on land.
- ✓True · བདེན།
- ✕False · རྫུན།
- 11Multiple choice · 20 s · 10 ptsNot played yet
The Ring of Fire, a belt with many volcanoes and earthquakes, runs around the edge of which ocean?
- AAtlantic Ocean
- BIndian Ocean
- CArctic Ocean
- DPacific Ocean
- 12Multiple choice · 20 s · 10 ptsNot played yet
Which instrument detects and records the shaking of the ground during an earthquake?
- ABarometer
- BThermometer
- CSeismometer
- DAnemometer
- 13Multiple choice · 20 s · 10 ptsNot played yet
What does the magnitude of an earthquake measure?
- AIts size, or the energy released
- BHow long the shaking lasts
- CHow many buildings fall down
- DHow deep the nearby ocean is
- 14Multiple choice · 20 s · 10 ptsNot played yet
What is the point on the Earth's surface directly above where an earthquake starts called?
- ACrater
- BEpicentre
- CFocus
- DSummit
- 15Multiple choice · 20 s · 10 ptsNot played yet
What usually causes a tsunami?
- AStrong winds in a storm
- BThe pull of the Moon
- CHeavy rain over the ocean
- DAn earthquake under the sea
- 16Multiple choice · 20 s · 10 ptsNot played yet
The mountains in the picture formed when the Indian plate collided with which other plate?

- AEurasian plate
- BPacific plate
- CAfrican plate
- DSouth American plate
- 17Multiple choice · 20 s · 10 ptsNot played yet
The volcano in the picture, near Naples in Italy, buried the Roman town of Pompeii in 79 AD. What is it called?

- AMount Etna
- BMount Fuji
- CMount Kilimanjaro
- DMount Vesuvius
- 18Multiple choice · 20 s · 10 ptsNot played yet
Mount Etna, in the picture, is one of the most active volcanoes in Europe. On which island is it?

- AIceland
- BSicily
- CCrete
- DSardinia
- 19True or false · 20 s · 10 ptsNot played yet
Soil near volcanoes is often very fertile, so many farmers grow crops there.
- ✓True · བདེན།
- ✕False · རྫུན།
- 20Multiple choice · 20 s · 10 ptsNot played yet
If you are indoors during an earthquake, what is the safest thing to do?
- ARun outside as fast as you can
- BStand next to a window
- CDrop, cover your head and hold on
- DTake the lift downstairs
