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;
10 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Sedimentary |
Rock formed when pieces of material that have broken off rocks is pressed and cemented together naturally |
Sediment |
|
|
Igneous |
Rock formed from cooled magma |
|
|
|
Magma |
A liquid formed when high temperatures deep in Earth's crust cause rocks and minerals to melt |
|
|
|
Metamorphic |
A rock that has been changed in form by pressure and heat |
|
|
|
Rock cycle |
Process by which rocks, over time can be changed into different kinds of rock |
|
|
|
Weathering |
Process by which water, wind, and ice wear down rocks and other exposed surfaces |
|
|
|
Layering |
Separate and observable divisions of rock in Earth with the newer formations pressing down on the older formations underneath |
|
|
|
Soil |
A mixture of rock, mineral particles, and organic matter that forms at the Earth's surface |
|
|
|
Soil horizon |
Different layers of soil that form due to weathering |
|
|
|
Humus |
Dark organic material in soil, produced by the decomposition of animal and vegetable matter |
|
