Weathering changes
Terms
undefined, object
copy deck
-
MOLD -
A hollow left in sediment after an organism dissolves. -
CHEMICAL WEATHERING -
A process that changes the minerals in rocks.
Water, oxygen, and acids act on rocks , forming new minerals. -
ICE AGE -
A period of thousands of years when snow and ice cover much of the earth. -
OXIDE -
A material formed when oxygen joins chemically with a mineral. -
ROCK CYCLE -
The ways that rocks change from one form to another. -
PHYSICAL WEATHERING -
The breaking of the rocks into smaller pieces. -
SEDIMENTARY ROCK -
Rock that forms from cemented or pressed sediments. -
RUN OFF -
Water that drains off land. -
CRYSTAL -
A substance made up of stones arranged in a repeating pattern. All the crystals of a mineral have the same basic shape but can be different size -
EROSION -
Moving of weathered rock and soil. -
IGNEOUS ROCK -
Rock formed from cooled magma. -
DEPOSITION -
Dropping of sediments moved by erosion. -
GLACIER -
A large slow-moving mass of ice. -
SEDIMENT -
Soil, sand, and rocks carried by wind and water. -
IMPRINT -
A footprint or other track of an organism that hs been preserved in rock -
WAVE EROSION -
Waves crashing against the shore of a lake or ocean. -
PETRIFY -
To replace molecules in dead organisms with minerals. -
METAMORPHIC ROCK -
Rock formed when heat and pressure change the minerals in igneous or sedimentary rocks. -
CAST -
A fossil formed by sediments filling a mold.