Worksheet: Eruptions and Forms of Volcanoes - Diagrams of three volcano types with labeled features.

Three diagrams illustrating different types of volcanoes: Figure 1 shows a composite volcano with magma, vent, cinder, and fine ash; Figure 2 depicts a stratovolcano with magma, vent, ash, lava, and a branch pipe; Figure 3 illustrates a shield volcano with gentle slope of basaltic lava flow and magma.

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1. Cinder Cone
- Type of Magma: Basaltic (mafic)
- Shape and Height of Volcano: Steep, conical shape; relatively small height
- Type of Eruption: Explosive, but generally small-scale

2. Composite Volcano (Stratovolcano)
- Type of Magma: Andesitic to rhyolitic (intermediate to felsic)
- Shape and Height of Volcano: Tall, symmetrical cone with steep slopes
- Type of Eruption: Violent and explosive due to viscous magma

3. Shield Volcano
- Type of Magma: Basaltic (mafic)
- Shape and Height of Volcano: Broad, gently sloping dome; low height relative to width
- Type of Eruption: Effusive, with fluid lava flows

1. The three types of eruptive products that volcanoes expel are lava, ash, and gases.

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