Earth's Layers
Plate Boundaries
Volcanoes/Earthquakes
Rock Cycle/Weathering
Human Impact/Soil
100
The layer of the Earth that we (people) live on
Crust
100
The theory that Earth's crust is divided into several plates that glide over the mantle. What are these plates called?
Theory of Plate Tectonics
100
An instrument that records the waves of an earthquake is called a
Seismograph
100
What type of rock is formed from magma or lava heating and cooling?
Igneous rock
100
What is one negative impact of mining?
- Erosion
-Pollution of Land
-Pollution of water
-Pollution of air
etc.
200
What layer of the Earth has the highest density?
Inner core
200
What evidence did Alfred Wegner use to make the claim for Theory of Continental Drift?
- Similar mountain ranges are found on several continents
- Similar animal fossils are found on several continents
- coastlines of the continents fit together like a fossil
200
What is labeled by 1 on this diagram?
Magma Chamber
200
When small pieces of rock deposit in layers over long periods of time, they can contain fossils in which type of rock?
Sedimentary rock
200
The amount of water and air that can move through soil
Permeability
300
The crust and the upper part of the mantle make up which sphere?
Lithosphere
300
What type of plate boundary creates mid-ocean ridges?
Divergent plate boundary
300
Molten rock that is above Earth's surface is called what?
Lava
300
Metamorphic rocks can form deep underground through which process in the rock cycle?
Heat and pressure
300
During urbanization, runoff and flash flooding can be prevented by increasing what in cities?
Green spaces, trees, vegetation
400
What is the only layer of the Earth that is all liquid?
Outer Core
400
At this boundary, an oceanic plate slides under a continental plate which can create volcanoes.
Subduction zone
400
What kinds of waves are produced by earthquakes?
P waves and S waves
400
Burning coal, oil, and gas for energy produces pollution. This pollution combines with air and water to form _________. This causes a reaction that dissolves rocks fast in this type of chemical weathering (fill in the blank).
Acid rain
400
Soil Horizon C is made up of slightly unbroken rock and partially weathered rock. Little bits if any organic material is found here. This layer is also called
Parent material
500
What causes movement in the mantle? (the liquid-like layer of the Earth)
Convection currents
500
80% of Earthquakes occur at this plate boundary where plates collide together
Convergent boundary
500
What is located directly above the focus of an Earthquake on Earth's surface?
Epicenter
500
Abrasion, animal activity, and ice wedging are examples of which type of weathering?
Physical/Mechanical
500
What is the smallest particle in soil?
Clay