👩‍🏫 Teacher’s Guide

Objective
Students will classify volcano types and explain magma, lava, and eruption styles.

Vocabulary
active, dormant, extinct, magma, lava, vent, chamber, debris, violent

Teaching Notes

• Start with a quick demo or model to visualize the concept.
• Pre-teach key vocabulary with gestures or sketches.
• Prompt students to predict, observe, and explain in full sentences.
• Check for understanding using either/or and short-answer prompts.

🧒 Student Worksheet

Concept and Helping Material

Definition. Volcanoes form where magma rises. Eruptions may be quiet lava flows or violent blasts that send debris high into the air.
Helping ideas and samples:

• Try a quick sort, draw-and-label, or compare-and-contrast.
• Name one place you see this idea at home or at school.
• Safety: follow teacher directions and handle materials carefully.

Vocabulary and Definition

• — erupting now or recently
• — not erupting now but expected to erupt again
• — unlikely to erupt again
• — molten rock beneath the crust
• — molten rock at the surface
• — opening where lava and gases escape
• — underground space holding magma
• — ash, rock, and materials from eruptions
• — explosive and powerful

Words to Learn

, , , , , , , ,

Sentences to Fill In

1. Molten rock below ground is .
2. Molten rock that reaches the surface is .
3. A volcano’s opening is called a .
4. Quiet eruptions make steady .
5. Explosive eruptions are called .

Hands-On Experiment or Activities

What You Need: simple classroom items.
What You Do: Eruption model (safe demo): use baking soda and vinegar to show gas buildup and release; discuss how gas pressure affects eruption style.
Think and Talk: What changed? What stayed the same?

Reflection

• Why are many volcanoes around the Pacific called the Ring of Fire?
• How can people reduce risk from nearby volcanoes?