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Lava tube

earth science Maturity 7-9

Hot melted rock makes a cave.

Thurston Lava Tube, Big Island.jpg
Thurston Lava Tube, Big Island.jpg
The top cools and gets hard. It makes a roof. The inside stays hot and flows. Then the rock drains away. Now it is a tunnel.
Lavacicles 8238.jpg
Lavacicles 8238.jpg
Can you imagine walking in one?

45 words
🖼️ Images & Media (6)
File:Valentine Cave.JPG
Valentine Cave.JPG
File:Thurston Lava Tube, Big Island.jpg
Thurston Lava Tube, Big Island.jpg
File:Manjanggul Lava Tower.jpg
Manjanggul Lava Tower.jpg
File:Lavacicles 8238.jpg
Lavacicles 8238.jpg
File:Close-up of a skylight on coastal plain, with lava stalactites forming on the roof of the tube.jpg
Close-up of a skylight on coastal plain,...
File:Lava tube Big island Hawaii (44459923190).jpg
Lava tube Big island Hawaii (44459923190).jpg
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📚 Content adapted from Wikipedia | Readability: FK 11.1 | Vital Level 5