What kind of plate boundaries cause earthquakes to happen?
Transform boundaries
100
What are the three types of rock?
Metamorphic, Igneous, and Sedimentary
200
Is erosion a slow or fast process?
What is a very slow process?
200
What are the agents of weathering?
wind, water (repeated friction), ice, plants, temperature changes, animals burrowing
200
What causes volcanos to erupt?
Heat and pressure building up within the Earth. The magma deep within the Earth rises to the surface. After enough heat and pressure build up, it will burst through the crust causing a volcanic eruption.
200
How do sedimentary rocks form?
Rock formed by layers of sediment pressing together and cementing into solid rocks.
300
What are some agents or causes of erosion?
water, wind, ice (glaciers)
300
How long does it take to see the effects of weathering?
Many, many years.
300
How are volcanos destructive?
Ashfall makes it impossible to breath and they can also ruin houses, roads, and other structures.
300
How are earthquakes constructive?
Energy being released during earthquakes called seismic energy provides much information about the Earth's layers to scientists.
300
How is igneous rock formed?
rock that forms when magma and lava (melted rock) cools and hardens
400
What are some ways to prevent erosion?
planting trees and grass
400
How was the Grand Canyon formed?
Friction from the water of the Colorado River flowing over the rock, forming the canyons and valleys. Other kinds of weathering and erosion also helped like wind, temperature changes, animals burrowing, ice.
400
How are volcanos constructive?
Provide nutrients to the surrounding soil, help cool off the Earth by removing heat from its inside, make islands and add to the continents.
400
How are earthquakes destructive?
Cause injury, damage property, cause people to lose their lives.
400
How is metamorphic rock formed?
rock that has changed form through heat and pressure
500
What are the large plates of rock that make up Earth's crust?
tectonic plates
500
What is the Ring of Fire?
An area of the world where a lot of earthquakes and volcano eruptions happen. This is near the edge of the Pacific Ocean where plates meet.
500
How is a volcano measured?
Volcano Explosivity Index (VEI)
500
How are earthquakes measured?
seismograph
500
What is the rock cycle?
How the three kinds of rock change from one kind to another. It is a slow, never ending process.