Copy of Rocks And Fossils
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PRESENTATION OUTLINE
Igneous rocks are formed by fire and heat. Two examples of igneous rocks are granite and diorite.
Photo by kevinzim
Sedimentary rocks are formed in layers over time. Three examples of a sedimentary rock are limestone, sandstone and, gypsum.
Photo by Darkroom Daze
Metamorphic rocks used to be igneous and sedimentary. Metamorphic rocks are formed by heat and pressure.Two examples are slate and marble.
Photo by Anita363
Fossils are generally found in sedimentary rock. Three parts of the animal body that get fossilized are shells, teeth and, bones.
Scientists use scanners to look at fossils without damaging them. Rain and ice can get into rocks and break them apart.
Photo by premasagar
Some tools used to clean fossils are hammers, saws, and chisels. Paleontologists need to be very careful so they don't damage the fossils .
Photo by Dru!
Soil comes from broken leaves and rocks. Parent material is the only ingredients in soil.
Photo by theqspeaks
The inner core has a temperature of 4,300 degrees Celsius. It's the inner layer.
Photo by NASA's Marshall Space Flight Center
The core is the next layer in the earth. It has a temperature of 3,700 degrees Celsius.
Photo by makelessnoise
The mantle of the earth has a temperature of 1,000 degrees Celsius.It is the next layer of the earth.
Photo by Kevin M. Gill
The crust is the part of the earth that we live on. It has a temperature of 0 degrees Celsius.
Photo by NASA Goddard Photo and Video
Erosion happens when rocks are moved by ice or gravity. Erosion also happens when rocks and sediment move the rocks with their roots.
Photo by freestock.ca ♡ dare to share beauty
Weathering happens when rocks are worn away or broken down into smaller pieces.Organic weathering happens when plants break up rocks with their overgrown roots.
Photo by NASA Goddard Photo and Video
