Show:
The Scientific Method / Properties of Earth
Plate Tectonics
Earthquakes
Volcanoes
Rocks and Minerals
100
What are the coordinates of the point where the Equator crosses the International Date Line?
0 degrees S, 180 degrees W
100
Earthquakes will cause the least damage to regions above what material?
Bedrock
100
What scale demonstrates the intensity or damage caused by an earthquake?
Modified Mercalli
100
Most volcanoes form due to subduction,where one plate is forced under another.
True
100
What causes holes in some igneous rocks such as pumice?
weathering and erosion
200
What is a conclusion which has been drawn using substantial proof?
Law
200
What are most earthquakes are caused by?
Seafloor spreading
200
Mafic lava is thinner and lighter then Felsic lava.
True
200
Clastic sedimentary rocks may contain?
sea shells
300
What are the five steps of the scientific method in the correct order?
1.State the problem 2.Gather information 3.Form a hypothesis 4.Test the hypothesis 5.Draw a conclusion
300
The bending of rocks and snapping back into place when stress is released is known as what?
Elastic Rebound Theory
300
What is the primary cause of earthquakes?
divergent boundaries
300
What are the pyroclasts from largest to smallest?
1. Volcanic bombs 2. Lapilli 3. Volcanic Ash 4. Volcanic dust
300
What is the most common type of coal found in Pennsylvania?
bituminous
400
What is an imaginary line that divides the Earth into Eastern and Western Hemispheres?
Prime Meridian
400
What forms trenches and volcanic islands?
oceanic-continental convergent boundaries
400
What scale measures the energy or magnitude of the earthquake?
Richter
400
what is the “ropy” type of mafic lava which cools slowly?
pahoehoe
400
What two most common resources mined in Pennsylvania?
Coal, natural gas
500
What is revolution?
The Earth orbiting around the Sun
500
The Supercontinent "Pangaea" was believed to have started separating about how many years ago?
200 million
500
What are waves produced by earthquakes?
seismic
500
volcanoes such as Kilauea form from?
Hot spots
500
What characteristics do all minerals have?
They occur naturally,they are solid,they have an orderly crystalline structure, and they are inorganic.