Lesson 5: Cycling of Earth's Materials

What is a Rock?

• A big pointy things

• A hard object

• Made of minerals

• Only has fragments

Minerals...

• Naturally occuring inorganic solid with definite chemcial composition

• Naturally occuring organic solid with definite chemcial composition

• Naturally occuring inorganic solid with no definite chemcial composition

• Naturally occuring organic solid with no definite chemcial composition

How do igenous rocks form? (choose the best answer)

• They come from vocanoes

• They must first cool from lava or magma

• They crystallize from magma or lava

• They're really hot

What did the sugar rock lab show?

• Volcanos making rocks

• Lava

• Magma

• Crystallization

Tags

NGSS.MS-PS1-5

Crystallization...

• Comes from extrustive rocks

• Happens only to magma

• Happens only to lava

• When particles dissolved in a liquid form crystals

Tags

NGSS.MS-PS1-2

Extrusive rocks

• Form on the surface of a volcano

• Form inside Earth's crust

• Come from Magma

• Have lots of grains

Intrusive rocks..

• Form from inside Earth's curst

• Form on the surface of a volcano

• Have no grains

• Are black in color

Tags

PA.AS.SCT.10.3.3.10.A1.i

PA.SCI.9-12.ESS.2.3

PA.SCI.3.3.9-12.J

Deposition...

• Eroded material travels to another location

• When rocks start to form

• Layering down or settling of eroded material

• The melting, cooling, and crystallization of rocks

Lithification

• rock turns to rock

• sediment turns into rock

• fragments turn into rock

• minerals turn into rock

Three types of sedimentary rocks

• igneous, sedimentary, metamorphic

• clastic, chemical, biochemical

• clastic, deposition, cementation

• metamorphic, biochemical, lithification