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- 1. Multiple Choice
Rock Name
Granite
Rhyolite
Andesite
Pumice
- 2. Multiple Choice
Rock Name
Obsidian
Basalt
Scoria
Vesicular Basalt
- 3. Multiple Choice
Rock Name
Scoria
Basalt
Andesite
Gabbro
- 4. Multiple Choice
Rock Name
Basalt
Granite
Scoria
Andesite
- 5. Multiple Choice
Rock Name
Diorite
Rhyolite Porphory
Rholite
Pumice
- 6. Multiple Choice
Rock Name
Peridotite
Diorite
Gabbro
Basalt
- 7. Multiple Choice
Rock Name
Gabbro
Basalt
Basalt Porphyry
Scoria
- 8. Multiple Choice
Rock Name
Gabbro
Basalt
Basalt Porphyry
Scoria
- 9. Multiple ChoiceIntrusive igneous rocks cool slowly because they form underground. Because they cool slowly, intrusive igneous rocks have large, sometimes interlocking, crystals that you can see. Which of the following is NOT an intrusive igneous rock?GabbroDioritegranitebasalt
- 10. Multiple ChoiceThe rock shown is GABBRO. We can tell that it is an ______________ igneous rock that cooled slowly underground because it has large, visible crystals.extrusiveintrusive
- 11. Multiple ChoiceThe rock shown is DIORITE. We can tell that it is an ______________ igneous rock that cooled slowly underground because it has large, visible crystals.extrusiveintrusive
- 12. Multiple ChoiceThe rock shown is Granite. We can tell that it is an ______________ igneous rock that cooled slowly underground because it has large, visible crystals.extrusiveintrusive
- 13. Multiple ChoiceThe rock shown is basalt. We can tell that it is an ______________ igneous rock that quickly on the surface of the ground because it has tiny crystals and a fairly uniform textureextrusiveintrusive
- 14. Multiple ChoiceThe rock shown is scoria. We can tell that it is an ______________ igneous rock that quickly on the surface of the ground because we can still see the holes where bubbles of gas were trapped while the rock cooled rapidlyextrusiveintrusive
- 15. Multiple ChoiceThe rock shown is pumice, the only known rock that FLOATS on water. We can tell that it is an ______________ igneous rock that quickly on the surface of the ground because we can still see the holes where bubbles of gas were trapped while the rock cooled rapidlyextrusiveintrusive
- 16. Multiple ChoiceThe rock shown is andesite. We can tell that it is an ______________ igneous rock that quickly on the surface of the ground because it looks relatively smooth with only tiny crystals.extrusiveintrusive
- 17. Multiple ChoiceThe rock shown is rhyollite. We can tell that it is an ______________ igneous rock that quickly on the surface of the ground because it looks relatively smooth with only tiny crystals.extrusiveintrusive
- 18. Multiple ChoiceThe rock shown is obsidian. We can tell that it is an ______________ igneous rock that quickly on the surface of the ground because it has a smooth, glassy texture.extrusiveintrusive
- 19. Multiple ChoiceIgneous rock #5
*crystals less than 1mm
*non-vesicular
*medium density
*medium composition
*no potassium feldspargraniterhyoliteandesitediorite - 20. Multiple ChoiceTrue or False. Slowly cooling lava forms fine-grained igneous rocks with small crystals or no crystals at all.TrueFalse
- 21. Multiple ChoiceIgneous rock that formed when magma hardened beneath the surface of Earth is called ___________ rock.extrusiveintrusive
- 22. Multiple Choice___________ rock is igneous rock formed from lava that erupted onto Earth's surface.extrusiveintrusive
- 23. Multiple ChoiceCoarse or Fine?coarsefine
- 24. Multiple ChoiceThis rock was found near the mouth of a volcano. What type of rock is this?SedimentaryIgneousMetamorphic
- 25. Multiple ChoiceWhat is the name of a granitic, extrusive igneous rock that is vesicular (bubbles)?PorphyryObsidianAndesitePumice
- 26. Multiple ChoiceThis rock cooled on the outside of a volcano and contained air bubbles when it was forming. What type of rock is this?SedimentaryIgneousMetamorphic
- 27. Multiple ChoiceHow is crystal size related to the rate a molten material coolsthe faster it cools the smaller the crystalthe faster it cools the larger the crystalthe slower it cools the smaller the crystal
- 28. Multiple ChoiceRocks on the surface are formed bymagmalava
- 29. Multiple ChoiceRocks inside the Earth are formed bymagmalava
- 30. Multiple Choice
Intrusive rocks can be describe with these characteristics.
Small crystals, cools slowly, incl.- rhyolite, andesite, basalt
Large crystals, cools rapidly, incl. - granite, diorite, gabbro
Small crystals or glassy, cools rapidly, & incl. rhyolite, andesite, basalt
Large crystals, cools slowly (underground), & incl. granite, diorite, gabbro
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