Rocks

Rocks

Vocab

• volcano• earthquake• weathering• minerals• fossils• sedimentary• magma

• metamorphic• rock cycle• igneous• sedimentation• deposition• geology• paleontology

Rocks & Minerals

• Rocks are made up of minerals• Mineral properties:– Shape– Color– Hardness– Luster– streak

3 types of rocks

• http://video.ecb.org/badger/download/vlc/images/VLC144_Modified_rock_cycle.jpg

Weathering & erosion

• http://www.flagstaffshuttle.net/images/GC3.jpg

Weathering: breaks rock down into sediment

Erosion: moves sediment

Fossils• Formed from organisms dying and their

remains being buried by sediment. • (usually found in sedimentary rock)

Relative Dating

Comparing fossils in different areas

• http://ses4u-smith.wikispaces.com/file/view/indexfoseg.jpg/221545338/indexfoseg.jpg

Earthquakes

• Measured by:• SEISMOGRAPH• 3 types of seismic waves• Primary, Secondary & Surface

Earthquakes

• ENERGY TRANSFER• SEISMIC WAVES cause MECHANICAL ENERGY

Volcanoes

• ENERGY TRANSFER• FLOWING MAGMA causes HEAT ENERGY &

MECHANICAL ENERGY