Layers of the Earth
Rock Cycle
Plate Tectonics
Fossils
W.E.D.
100
The largest Layer of the Earth
Mantle
100
How are igneous rocks formed?
melting and cooling
100
Plates that move apart cause ________ boundaries
Divergent
100
Why are fossils important?
Fossils provide scientists with information and evidence about the past
100
The process that breaks down rocks and other materials into sediments
Weathering
200
The layer we live on (the thinnest layer)
Crust
200
How are sedimentary rocks formed?
weathering/erosion of sediments. Cementing and compacting of those sediments.
200
Plates that move together cause ________ boundaries
Convergent
200
Which fossil is older (A or B)?
Fossil B is older
200
Which process is taking place when water freezes between cracks in rocks?
Weathering
300
The layer that is compressed solid metal (like a marble)
Inner Core
300
How are metamorphic rocks formed?
Heat and Pressure
300
Plates that slip past each other cause ________ boundaries
Transform
300
Which BEST explains why fossils of sea animals can be found on land?
A. Sea animals learned to live on dry land.
B. The land and fossils were once under water.
C. There was more rainfall when the animals were alive.
D. Sea animals were carried onto land by animals that ate them.
B.
300
The movement of sediments, minerals, rocks, and soil is known as
Erosion
400
Layer made of mostly liquid iron and nickle
Outer Core
400
What types of rocks would be found near volcanoes?
Igneous
400
Which boundaries cause earthquakes?
ALL (divergent, convergent, and transform)
400
What type of rock are fossils mostly found in
Sedimentary
400
Planting trees and bushes best prevents which process?
Erosion
500
Which diagram accurately represents the layers of the Earth
B.
500
Which rock would be igneous?
Basalt
500
Which boundaries cause volcanoes?
Convergent and Divergent
500
Name at least one example of a sedimentary rock
Limestone, shale, sandstone, coal
500
The addition of sediments, soil and rocks to land or landforms is known as
Deposition
600
Name 2 layers that are made of rocky materials?
AND
Name 2 layers that are made of mostly iron and nickel?
Crust and Mantle are rocky
Outer Core and Inner Core are mostly iron and nickel
600
A student made observations of four rock samples. Which of these observations most likely describes a sedimentary rock?
a. Sample 1 has bands of light and dark crystals.
b. Sample 2 has pink, gray, and white crystals grown together.
c. Sample 3 is made up of one huge, pale pink crystal.
d. Sample 4 is made up of layers of sand grains cemented together.
d.
600
The term for when a plate slides under another plate due to convergent boundaries
Subduction
600
The same fossils found on different continents supports the idea that all of the continents were once connected. This supercontinent was called ________
Pangaea
600
Name 2 natural causes of weathering, erosion, and deposition
Wind, Ice, Water