212 Cave Formations

👩‍🏫 Teacher’s Guide

Objective
Students will describe how caves form and identify features like stalactites and stalagmites.

Vocabulary
cave, stalactite, stalagmite, erosion

Teaching Notes

• Use photos or video clips of mountains and caves to introduce the lesson.
• Model your thinking about landforms, rock layers, and how animals survive.
• Encourage students to compare mountains and caves using charts.
• Reinforce vocabulary with gestures, drawings, and examples.

🧒 Student Worksheet

Concept and Helping Material

Main Idea
Caves are underground spaces formed by water, rock changes, or lava tubes.

Vocabulary and Definition

• — a large underground space
• — a cave formation hanging from the ceiling
• — a formation growing from the cave floor
• — the wearing away of rock

Words to Learn

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Sentences to Fill In

1. A ____ is an underground space.
2. A ____ hangs from the ceiling of a cave.
3. A ____ rises from the floor of a cave.
4. ____ is when rock is worn away by water or wind.
5. One cave feature I find interesting is ____ because ____.

Think & Respond Q&A

1. How do most caves form?
2. Why are caves darker than forests?
3. How do stalactites grow?
4. What might live inside caves?
5. Why must people be careful inside caves?

Hands-On Experiment or Activities

What You Need: clay or paper tubes.
What You Do:

1. Create a simple cave model.
2. Add stalactites and stalagmites.
3. Label each part.
   Think and Talk:
   • How could water change the cave over time?

Reflection

• What did you learn about caves?
• Which cave would you like to explore?