Danger! Volcanoes by Seymour Simon
Earthquakes and Volcanoes by Lin Sutherland and Thomas Wright
Geology by Barbara Murck
Vocabulary Added:
magma: melted rock inside the Earth
lava: magma that rises to the Earth's surface
Discussion:
Types of magma - difference in silica content
Types of lava flow (aa, pahoehoe)
Activity:
Fun with baking and icing: viscosity adjustment - recreating lava with runny or thick icing
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