What are Geodes? Video

What is a geode?

• Type of rock filled with minerals

• Plant that grows in volcanic areas

• Crystal found in caves

• Liquid mineral

How do geodes form in volcanic areas?

• From freezing lava

• From cooling gases and lava

• From rock erosion

• From decomposers

How long can it take for geodes to form?

• Overnight

• A few eeks

• A few years

• Millions of years