1 Flashcards
(29 cards)
The layer of Earth under the crust
Mantle
Melted rock inside Earth
Magma
Outer layer of Earth
Crust
Melted rock from a volcano
Lava
A large piece of Earth’s surface
Plate
Plates pushing toward each other creating mountains and volcanoes
Convergent plates
Plates pulling apart from each other crating new crust
Divergent plates
Plates sliding past each other causing earth quakes
Transform plates
The movement of materials away from one place by wind, water, or ice
Erosion
The breaking down of rocks into pieces
Weathering
Process of breaking down rocks by a chemical such as acid
Chemical weathering
Breaking down rocks by natural forces such as wind and water
Physical weathering
Breaking down rocks by living forces (plants/humans)
Biological weathering
When particles carried by erosion are dropped in another location
Deposition
Made up of rocks,minerals,and dead plant/animals remain
Soil
A scale of hardness of solids; talc is 0 and diamond is 10; ordering is determined by which substance can scratch another substance
Moh’s scale
Things from the environment that are useful to people such as trees, animals, oxygen, the sun, and the wind
Natural resources
These cannot be replaced once they are gone
Non renewable resources
Formed when dead plants and animals undergo heat and pressure over millions of years
Fossil fuels
These can be replaced in a short period of time such as trees, animals, oxygen, and water
Renewable resources
These never run out in supply such as waves, wind, and solar energy
Alternative energy
Rock made pieces of other rock, minerals or remains of living creatures or plants that are compacted by weight
Sedimentary rock
Rock that is formed when a different rock is exposed to high temperatures and pressure
Metaphoric rock
Rocks that form when lava cools
Igneous rock