Choose the best answer.

1. Which of the following is NOT a type of rock.

   1.   ?    Metamorphic
   2.   ?    Sedimentary
   3.   ?    Compact
   4.   ?    Igneous

2. Igneous rocks are formed from ...

   1.   ?    Lava
   2.   ?    Magma and lava
   3.   ?    Combining other rocks together
   4.   ?    Other rocks

3. This type of rock forms in layers.

   1.   ?    Metamorphic
   2.   ?    Igneous
   3.   ?    Sedimentary
   4.   ?    Basalt

4. Intrusive and extrusive rocks are a types of ___________ rocks.

   1.   ?    Conglomerate
   2.   ?    Sedimentary
   3.   ?    Igneous
   4.   ?    Metamorphic

5. Magma is molten rock material _________ the ground and lava is molten rock _______ the ground.

   1.   ?    above, below
   2.   ?    in, above
   3.   ?    below, below
   4.   ?    above, in

6. How are metamorphic rocks created?

   1.   ?    They are formed by heat and pressure.
   2.   ?    They are formed by pressure.
   3.   ?    They are formed by the cooling of magma and lava.
   4.   ?    They are formed by combing other rocks.

7. How are igneous rocks formed?

   1.   ?    Igneous rocks are formed by the cooling of magma.
   2.   ?    Igneous rocks are formed by heat and pressure.
   3.   ?    Igneous rocks are formed by compression.
   4.   ?    Igneous rocks are formed by the cooling of lava and magma.

8. If an igneous rock cools quickly explain what it would look and feel like.

   1.   ?    It would be rough.
   2.   ?    It would be smooth with fine grains.
   3.   ?    It would be black.
   4.   ?    t would have large grains.

9. How are igneous rocks formed?

   1.   ?    Igneous rocks are formed by the cooling of lava and magma.
   2.   ?    Igneous rocks are formed by compression.
   3.   ?    Igneous rocks are formed by heat and pressure.
   4.   ?    Igneous rocks are formed by the cooling of magma.

10. What is a geologist?

    1.   ?    A person who studies the atmosphere.
    2.   ?    A person who studies the past.
    3.   ?    A person who studies rocks.
    4.   ?    A person who studies the environment.

11. When does the rock cycle end?

    1.   ?    When rocks become magma
    2.   ?    When rocks become metamorphic rocks
    3.   ?    It never ends.
    4.   ?    When rocks turn into sediments.

12. Thi type of rock is very light and was formed with gas trapped inside of it.

    1.   ?    Andesite
    2.   ?    Pumice
    3.   ?    Gypsum
    4.   ?    Shale

13. This igneous rock is very smooth and shiney.

    1.   ?    Gypsum
    2.   ?    Obsidian
    3.   ?    Pumice
    4.   ?    Conglomerate

14. An index fossil is used ...

    1.   ?    to determine how old the fossil is.
    2.   ?    determine how old the dinasaurs are.
    3.   ?    to date the layer of rocks that were found around the fossil.

15. Which of the following is an example of weathering?

    1.   ?    Water dissolving minerals.
    2.   ?    A plant growing in the cracks of a rock.
    3.   ?    Acid rain dissolving rocks.
    4.   ?    Wind blowing soil to new locations.

16. What kind of rock is limestone?

    1.   ?    Igneous
    2.   ?    Metamorphic
    3.   ?    Sedimentary

17. What is the name of this rock?

    1.   ?    Pumice
    2.   ?    Obsidian
    3.   ?    Granite
    4.   ?    Shale

18. What is the name of this rock?
    

    1.   ?    Rhyolite
    2.   ?    Obsidian
    3.   ?    Limestone
    4.   ?    Andesite