Metamorphic Rocks
Sedimentary Rocks
Igneus Rock
Layers of the Earth
Fossils
100
It is rock that has been changed by temperture and pressure.
What is a Metamorphic Rock?
100
small bits of sand, pebbles and dust
What is sediment
100
Fire and Heat
What does Igneous mean?
100
3 layers
How many layers does the Earth have?
100
a trace reamin of a living thing that died a long time ago.
What is a fossil
200
Metamorphic rocks is formed deep in the earth's crust in yet another way.
Where is Metamorphic rock formed?
200
by layers of sediment, pressure and time
How is a Sedimentary rock formed?
200
black and red
What are the most common colors of Igneous rock?
200
mantel, core, crust
What are the three layers called?
200
when mud or minerals fill a mold
How do casts form?
300
Marble (b)
What is the Metamorphic rock out of these choices? a. sandstone b. marble c. granite
300
limestone, shale, sandstone
What are the three most common types of Sedimentary Rocks?
300
Cooled and harden Lava
What is Igneous Rock made of?
300
a hot ball of solid iron and nickel
What do scientists think the inner core is made out of?
300
Places with lots of sedimentary rock formations
Where is the best place to find fossils?
400
The limestone turns into marble
What happens when magma invades limestone?
400
Fossils
What can often be found in Sedimentary Rocks that helps scientist understand our past?
400
intrusive and extrusive
What two groups are igneous rocks divided into by scientist?
400
1800 miles
How thick is the mantel in miles?
400
Becaus the soft parts of the plants are easily destroyed and don't have time to become fossils.
Why are plant fossils not as common as animal fossils?
500
smoothy and waxy
What does the rock deep beneath the earth's surface feel like?
500
layers or stripes
What is one distinct feature that can be seen in a formed Sedimentary Rock?
500
granite and basalt
What are the two most common and important igneous rocks?
500
11,000 degrees F
What is the temperature scientists believe the inner core can reach?
500
To discover animals from the past.
Why do scientist use fossils?
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