Name
Date
Class
Key Concept Builder
LESSON 1
Rocks and the Rock Cycle
Key Concept How are rocks classified?
Directions: On the line before each description, write the letter of the type of rock that matches it correctly.
1. has parallel bands of dark and light mineral
grains
2. forms when sediment is compressed
A. igneous rock
B. sedimentary rock
C. metamorphic rock
3. has foliation
4. contains low-density minerals such as quartz
5. contains high-density minerals such as olivine
6. forms from the layering of eroded rock
7. Gneiss is an example.
8. Limestone is an example.
9. formed from magma
10. results from cementation of sediment
11. forms when molten rock cools and crystallizes
12. what preexisting rock becomes
13. forms from dissolved minerals that crystallize
between grains
14. Marble is an example.
15. forms from lava
16. forms when sediment is transported and then
compressed
17. shows a pattern of layering
18. forms when tiny crystals in magma form
18
Rocks
Name
Date
Class
Rocks and the Rock Cycle WebQuest
Procedure:
1. Begin the webquest introduction at https://www.learner.org/interactives/rockcycle/index.html
2. Begin with “Types of Rocks”, then collect rocks by clicking on “Start a Rock Collection.”
3. Identify different rocks. Team Score for 6 min of rock identification_________ out of 10
4. Transform rocks by clicking on different processes like cooling and melting.
5. Fill out the following sentences below as you transform rocks.
1. When extreme temperature and pressure are applied to sedimentary and igneous rock,
.
2. When metamorphic rock melts__________________________________________________________.
3. When magma cools and crystallizes above the surface it forms,
.
4. When magma cools and crystalizes below the surface it forms_________________________________.
5. When sediment is deposited and compacted,
6. Rocks become sediments by the processes of
.
7. Sediment becomes rock when it is _______________________ and _____________________________.
Team score for transforming rocks ____ out of 18.
Procedure continued…
6. Complete a full rock cycle by answering the series of presented questions.
7. Repeat step 6 until your team earns 100%!
8. Fill in the missing parts of the rock cycle figure below after achieving 100%.
Procedure continued…
9. Finally, test your team’s skills learned from this webQuest in the “Test your skills” section by
clicking on this tab at the top of the website.
TEAM SCORE FOR TEST YOUR SKILLS ______ out of 15
Across
3. minerals dissolve in water and crystallize in sediment
5. liquid is forced out and space decreased between grains
6. metamorphic rock with parallel layers or elongated minerals
9. igneous rock that forms from magma beneath the surface
10. natural solid made of minerals
11. metamorphic rocks made of random interlocking minerals
Down
1. sediment rocks made of broken pieces of minerals
2. molten rock beneath the Earths surface
4. naturally occuring inorganic solid
7. molten rock that erupts above ground
8. igneous rock on the surface from an eruption