Rocks that spark? Rocks that float? Rocks that fizz? Is it really true?! Read and learn about some weird and wonderful examples of the three different types of rocks.
General Note
Includes glossary.
Content Note
Three types of rocks - Rocks can be weird! - Geodes - Marble - Lava bombs - Hoodoos - Dino rocks - Flint - Pumice - Delicate arch.