3 TYPES OF ROCKMrs. Bozes8th Grade ScienceThis presentation has been prepared under the fair use exemption of the U.S. Copyright Law and is restricted from further use.

WHAT ARE ROCKS?

Rock are EVERYWHERE! Technically speaking, they are…

Solid Naturally occurring Made of minerals or mineral type

materials

WHAT ARE ROCKS MADE OF?

Some are made of just one kind of mineral: Pyrite (aka Fool’s Gold) Quartz

Some are made of severaldifferent kinds of minerals:

Granite

HOW DO WE CLASSIFY THEM?

Rocks are put into 3 different groups: Igneous Metamorphic Sedimentary

DO THEY STAY THE SAME?

Rocks are always changing Each type of rock can change into

another type Example: Igneous can become

Metamorphic Rocks change with time, heat, and

pressure

THE ROCK CYCLE

The rock cycle describes the process by which rocks change with heat and pressure

The arrows show how each type of rock changes and what it changes into

The rock cycle is always happening and never stops

THE ROCK CYCLE

INTERACTIVE ROCK CYCLE

Click on the picture to go to the Interactive Rock Cycle

Explore the animation

IGNEOUS ROCKS

Click to view

SEDIMENTARY ROCKSClick to view

METAMORPHIC ROCKS

Click to view

REFERENCES

Difonzo, D. and P. Schreer“Knife Fight.” MP3. Freeplay Music, 21 May 2012. <http://freeplaymusic.com>.

Garrod, Phil, Reed Hays and Scott Schreer“Devil’s Ride.” MP3. Freeplay Music, 21 May 2012. <http://freeplaymusic.com>.

Maslowski Wildlife Productions (Producer).  (2003). Geologist's Notebook: Three Rocks. [Full Video].  Available from http://www.discoveryeducation.com/