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10 Cards in this Set

  • Front
  • Back
weathering
a kind of change that happens when wind and water break down rock into smaller pieces
erosion
a kind of change that happens when wind and water move sand and small rocks to a new place
earthquake
a shaking of Earth's surface that can cause land to rise and fall
volcano
a place where hot melted rock called lava comes out of the ground onto Earth's surface
fossil
what is left of an animal or plant that lived long ago. It can be a print in rock or bones that have turned into rock.
boulder
a very large rock
mineral
solid matter found in nature that was never living. Rocks are usually made of many different minerals.
soil
bits of rock mixed with matter that was once living.
dinosaur
an animal that lived on Earth millions of years ago. Dinosaurs have become extinct.
extinct
no longer living. Dinosaurs are extinct because none of them lives anymore.