Reading...
Play button
Play button
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;
16 Cards in this Set
- Front
- Back
|
aquifer
|
a layer of rock in which ground water can accumulate and flow freely
|
|
|
drainage basin
|
the land area from which a river system gets its water
|
|
|
fault
|
a crack in the earth's crust
|
|
|
focus
|
the point along the fault where rock first breaks or moves causing an earthquake
|
|
|
geologic time scale
|
a record of Earth's history based on events interpreted from the rock record and fossil evidence
|
|
|
glacier
|
a large mass of moving ice
|
|
|
groundwater
|
water in the ground near Earth's surface
|
|
|
index fossil
|
a fossil of an organism that wxisted on Earth for a short time over a large geographic area
|
|
|
lithosphere
|
the solid rocky outer layer of the earth that includes the crust
|
|
|
moraine
|
a ridge formed when a glacier deposits its sediments
|
|
|
plate tectonics
|
theory that states that the lithosphere is broken into plates that move
|
|
|
Richter scale
|
a scale used to compare the strengths of earthquakes
|
|
|
sediment
|
rock and soil carried by water
|
|
|
seismograph
|
instrument that records the strengths of the earth's movements based on the amount of energy released
|
|
|
water table
|
the top of an aquifer
|
|
|
weathering
|
group of processes that break rocks into smaller pieces
|
