2. Rock Types By Tyler Schaad Science Education 9 th Grade Earth Science Begin!

3. Learning Objectives  Students will be able to identify igneous, metamorphic, and sedimentary rocks. Next

4. Igneous Rocks  Formed by cooling and solidifying lava or magma  Can form above (extrusive) or below (intrusive) ground.  Examples include obsidian, granite, and scoria. Next

5. Sedimentary Rocks  Formed by the deposition of material on the surface or under water.  Examples include sandstone, conglomerate, and breccia. Next

6. Metamorphic Rocks  Form by the metamorphism of existing rocks.  This change happens because of heat, pressure, or chemicals.  Examples include shale, slate, and amphibolite. Next

7. Question 1  Which one of these is an igneous rock?

8. Correct!  Great Job, Obsidian is an igneous rock. Click to Continue

9. Incorrect  Sorry try again, this is a metamorphic rock. Back to Question

10. Incorrect  Sorry try again, this is a sedimentary rock. Back to Question

11. Question 2  Which one of these is formed by deposition?

12. Incorrect  Sorry this rock is formed by metamorphism. Back to Question

13. Incorrect  Sorry this rock was formed by volcanic activity. Back to Question

14. Correct!  Great Job, sandstone is a sedimentary rock. Continue

15. Congratulations!!  We are finished with the activity Start OverResources

16.  http://geology.com/rocks/metamorphic-rocks.shtml http://geology.com/rocks/metamorphic-rocks.shtml  http://geology.com/rocks/sedimentary-rocks.shtml http://geology.com/rocks/sedimentary-rocks.shtml  http://library.thinkquest.org/J002289/igneous.html http://library.thinkquest.org/J002289/igneous.html  http://geology.com/rocks/igneous-rocks.shtml http://geology.com/rocks/igneous-rocks.shtml