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;
18 Cards in this Set
- Front
- Back
|
atmosphere
|
the layer of gases that surrounds the earth, contains the clouds and protects living things from too much sunlight
|
|
|
hydrosphere
|
the water part of the Earth's surface (oceans, lakes, rivers, streams, glaciers)
|
|
|
lithosphere
|
the rigid outer shell of the Earth containing rocks, soil, and minerals
|
|
|
crust
|
the top layer of the Earth, the outer layer of the lithosphere
|
|
|
mantle
|
the middle layer of the Earth between the crust and core, it is partly solid and partly melted
|
|
|
core
|
the center part of the Earth, beneath the mantle, made of solid, very hot metals
|
|
|
plate
|
large section of the Earth's surface made of the crust and the rigid top part of the mantle
|
|
|
What are some events caused by plate movement?
|
Volcanoes, severe Earthquakes, and mountains form. These events occur when one plate pushes against another plate.
|
|
|
hypothesis
|
reasonable guess to a problem
|
|
|
theory
|
a hypothesis that has been supported by evidence (Ex. plate tectonics)
|
|
|
weathering
|
the process that breaks down and changes rock
|
|
|
erosion
|
the moving of weathered rock and soil by wind, water, or ice
|
|
|
igneous rock
|
melted mantle that has cooled
|
|
|
metamorphic rock
|
igneous or sedimentary rock changed by heat or pressure
|
|
|
sedimentary rock
|
solid particles cemented together
|
|
|
mineral
|
a natural, nonliving solid with a definite
|
|
|
fossil
|
remains of any dead organisms trapped in rock layers, part of the rock cycle
|
|
|
What can scientists learn from fossils?
|
They learn about the history of the Earth, whether the climate was warm or cool, or whether the area was wet or dry.
|
