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WorksheetsHow much do you know about volcanoes?
Total questions: 9
Worksheet time: 6mins
A volcano is a mountain or hill, where molten rock erupts through the surface of the earth.
True
False
A volcano has a vent that allows lava, ash, and gas to escape from a magma chamber below the surface of the Earth.
True
False
The word 'volcano' comes from the island 'Vulcano' which is a volcanic island in Italy.Vulcano, in turn, gets its name from the Roman God of fire - Vulcan. According to mythology,Vulcan lived in a volcano, Romans believed that if Vulcan was made angry, the volcano would erupt.
True
False
Lava glows white to red hot as it flows. The temperature of lava ranges between 700 °C and 1200 °C.
True
False
There are around __________ active volcanoes in the word.
151
1,510
15,100
There are around _______ volcanoes under the oceans, that we know of.
80
800
8,000
Mauna Kea in Hawaii is the biggest volcano on Earth and is taller than Mount Everest. It is ________ meters tall but, because most of it is underwater, it seems much smaller.
102
1,020
10,200
Even when the side of the volcano is steep, lava does not flow faster than ___________ kilometres per hour. This means that a person could comfortably outpace lava flow over a short distance.
3
30
300
The largest volcano eruption in human history was at _______ in 1815. It ranked a 7 on the Volcanic Explosivity Index, the second highest rating on the index.
Mount Etna
Mount Tambora
Mount Vesuvius
