Rocks and Fossils
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PRESENTATION OUTLINE
Igneous rock is made of heat and fire.Two kinds of igneous rock are peridotite and pegmatite.
Photo by Camera John
Sedimentary rock is formed by layers over time. Three examples of sedimentary are limestone, conglomerate, and breccia.
Photo by Dru!
Metamorphic rock means to change. Two kinds of metamorphic rock are
slate and gneiss.
Photo by Al_HikesAZ
Fossils are made of animals that have been dead for a long time. Fossils are more likely to be in sedimentary rock.
Photo by jeco
Paleontologists use a tool called x-ray cameras to keep from hurting the fossils. Paleontologists will go on long trips not seeing a single fossil.
Photo by Hitchster
Where does soil come from? Soil is made up of leaves, rocks, tree limbs, and dead bugs and parent material.
Photo by Etrusia UK
The mantle is very humid it is 1,000 degrees Celsius. The mantle is 2,900 km thick.
Photo by James St. John
The outer core is very hot it is 3,700 degrees Celsius. The outer core is 5,200 km thick.
Photo by murilocardoso
The inner core is very humid it is 4,300 km hot However the inner core is not thick.
Photo by Jed Sullivan
What is weathering? Rock is dissolved worn away,or broken down into smaller and smaller pieces and that is what weathering is?
Photo by kevin dooley
What is erosion? Rock weakened broken up by weathering it is a erosion. It is what happens when rock and sediments are pick up and mired to another place by ice,water,wind,and gravity.
Photo by Smart Destinations
