Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
rock cycle |
a process in which rocks are constantly being formed and destroyed |
|
soil |
a mixture of nonliving materials and decayed materials from organisiams |
|
igneous |
rocks that form when melted rock cools and hardens |
|
minerral |
a nonliving, naturally occurring solid that has its own regular arrangement of particels in it |
|
sedimentary |
rocks that form when layers of materials and rock particals settle on top of each other and harden |
|
humus |
the decaying material in soil |
|
organic matter |
all the living materials and materials that where alive |
|
plate |
a section of the lithosphere |
|
inorganic matter |
all the nonliving materials in the soil |
|
deposition |
process of laying down materials, such as rocks and soil |
|
constructive forces |
forces that build new features on earth's surface |
|
destructive forces |
forces that wear away or tear down features on earth's surface |
|
erosion |
the movement of materials away from a place |
|
metamorphic |
rocks formed inside earth from other rocks under heat and pressure |
|
renewable resource |
a type of energy resource that can be replaced |
|
inexhaustible |
a type of energy resource that will not run out |
|
weathering |
a slow process that breaks down rocks into sediments |
|
nonrenewable resource |
a type of energy resource that can not be replaces as fast as people use it |
|
pollutant |
an unwanted substance added to the land, water or air |