Starter quiz
- What is a volcano?
- A mountain with steep sides
- A crack or opening in Earth's surface from where lava can be emitted ✓
- A sudden trembling of the ground
- A gigantic wave caused by an earthquake
-
Huge pieces of Earth's crust, shown on this map, are called...- continents
- countries
- land and sea
- tectonic plates ✓
-
- True or False: all volcanoes are dangerous
- True
- False ✓
The red highlighted horse-shoe shaped line on this map is home to 75% of Earth's volcanoes. What is it called?- The ring of volcanoes
- The ring of fire ✓
- The ring of lava
- The ring of eruptions
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- Volcanoes are formed when two tectonic plates come towards one another. What is the geographical term for this?
- converge ✓
- contain
- complex
- contract
-
- When a volcano explodes, the geographical name for this is a volcanic...
- 'eruption' ✓
Exit quiz
- How many people live very close to an active volcano?
- 1 in 5 people
- 1 in 10 people
- 1 in 20 people ✓
- 1 in 25 people
-
- Volcanic ash is....
- soft and fluffy
- a hard abrasive mix of rock, minerals and glass ✓
- light and soft
-
- A mudflow formed when volcanic ash mixes with water (rain or melted glacier ice) is called...
- meltwater
- lahar ✓
- magma
- lava
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- What temperature can lava reach up to?
- 800 degrees celsius
- 1000 degrees celsius
- 1200 degrees celsius ✓
- 1400 degrees celsius
-
- Graphite is a solid, black rock found in volcanoes. When volcanoes erupt, graphite crystallises under the extreme heat and pressure inside volcanic vents. This changes graphite into....
- diamonds ✓
- pearls
- coal
- carbon
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- Match the advantage to the correct statement.
- Farming⇔volcanic soils are very fertile which helps crops grow. ✓
- Tourism⇔millions of people visit volcanoes each year. This generates income. ✓
- Geothermal energy⇔this can be transferred into electricity. ✓
Worksheet
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Lesson Details
Key learning points
- One in twenty of the world’s population live close to an active volcano.
- Advantages include the cultivation of fertile soils, income from tourism, mineral extraction and geothermal energy.
- Disadvantages include the danger posed to people and communities from the eruption of lava, poisonous gases and ash.
Common misconception
It is difficult for pupils to appreciate that decisions people make are not always freely chosen.
To ensure pupils appreciate the significance of socio-economic factors (including income) that can limit people's choices.
Keywords
Minerals - Minerals are chemical substances that are formed naturally and are found in the ground or in rocks.
Geothermal energy - Geothermal energy comes from heat contained within Earth's crust.
Lahar - A lahar is a mudflow formed when volcanic ash mixes with water (rain or melted glacier ice).
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