Earth's Structure
The earth's crust is made of several large slabs of rock called?
tectonic plates
What will an earthquake under the oceanic crust cause in the ocean?
a tsunami
Molten rock below the Earth's surface is called
magma
The breakdown of rock by physical or chemical means is called?
weathering
A period of time when large parts of Earth were covered with ice sheets is called?
The Ice Age
What is the middle layer of the Earth where rock flows under pressure?
mantle
What term describes cracks or breaks in Earth's surface where the land moves?
faults
Molten rock above the earth's surface is called
lava
The Grand Canyon was formed by weathering, an earthquake, or a volcano?
weathering
A long lasting body of ice that develops over land is called?
A glacier
The study of the movement of the Earth's places is known as...?
plate tectonics
An earthquake begins in an underground location called a...?
focus
What type of volcano is usually broad and has sides that are not very steep? The lava flows slowly and the eruption is not explosive.
shield volcano
What is the movement of weathered rock or soil by water, gravity, or wind called?
erosion
Preserved remains of body parts or animal activities from long ago are called?
fossils
What causes the convection currents within Earth's mantle?
Temperature and density differences. The hotter magma rises and then sinks when it gets cooler,
Go Again!!!
What is the name of the machine that is used to track the vibrations of an earthquake?
What forms when there is an opening in Earth's crust and magma rises or is pushed to the surface?
volcano
What term describes the rocks, soil, and debris left behind by a retreating glacier?
outwash plain
Where are fossils usually found? Rock, soil, or concrete?
rock
Daily Double!!!!!!
Which type of crust is more dense, oceanic or continental crust?
oceanic
Go Again!!!!
What is the name of the scale that rates how intense an earthquake is and gives the earthquake a number?
Richter Scale
What type of volcano has steep sides and explores lava into the air?
cinder cone
Daily Triple!!!!
What is the process in which eroded particles from one place are dropped (or deposited) in a new place called?
deposition
What is the difference between a body fossil and a trace fossil?
A body fossil is the preserved remains of a body or body part and a trace fossil preserves the remains of an organism's activities.
Daily Double!!!