flash cards
earth’s out most layer of hard, solid rock that Is underneath the soil vegetation and water
outer layer
something we observe to be similar over and over again
pattern
one of the very large sections of hard, solid rock that make up Earth’s outer layer
plate
a long, deep indentation in the ocean floor formed when two plates move together
trench
any of the many processes (such as eruptions and lava flows) in which gas, lava, and ash are pushed out on the surface of Earth
volcanic activity
moving toward the same place
convegent
moving apart in different directions
divergent
a sudden shaking of Earth’s surface
earthquake
an underwater mountain range formed when two plates move apart
mid ocean ridge
the layer of soft, solid rock underneath Earth’s plates
mantle
the place where two plates meet
plate boundary
a feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
land form
an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
model
a set of interacting parts forming a complex whole
system
a solid part of a rocky planet
geosphere
to examine in detail for a purpose
analyze
a diagram that shows what the inside of something looks like
cross section
an extinct reptile that lived about 300 million years ago
Mesosaurus
