Discussion Questions: Virtual Lava Tube

• How do lava tubes form and where are they most likely to be found?
• What happened to the volcanic material that was inside the tubes when they were first forming?
• Pick three features and explain how they are formed.
• What is the difference between how stalactites and stalagmites form in limestone caves and lava tube caves?
• Why do cavers need to be very careful when exploring lava tubes?