Magma, lava and viscosity
Geography · Grade 10 · about 40 minutes
One substance, two names, and why runny basaltic lava builds shields while sticky lava builds explosive Kenyan cones.
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- 8 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Vulcanicity: what happens and what it builds
- Where volcanoes are, and what they mean for people
- Causes of vulcanicity in the East African Rift
- Magma, lava and viscosity
- Intrusive features: batholith to dyke
- Shield, composite and cinder volcanoes in East Africa
- Craters, calderas and lava plateaus
- Hot springs, geysers and fumaroles
- Kenya's Rift volcanoes from Turkana to Magadi
- World distribution of volcanic features
- Benefits of vulcanicity to Kenyan livelihoods
- Volcanic hazards and negative effects
- Volcanic disaster preparedness and management