earth sci rocks day homework - wbm-earth

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EARTH SCIENCE
Rocks Unit
Day 1:
Objectives 4.1.1, 4.1.2
Before class: Read section 4-1
Answer the following. Complete sentences are not needed.
1. Define: a.rock-forming mineral, b. granite, c. basalt, d. grains,
e. texture, f. igneous rock, g. sedimentary rock,
h. metamorphic rock
After class:
Answer the following using complete sentences.
1. In your own words, compare the grain size, shape, and pattern of the
conglomerate and breccia in figure 4 on page 96.
2. How do geologists classify a rock?
3. Name the three major groups of rocks and describe how each forms.
Fill in the blanks below.
4. The look and feel of a rock’s surface is its ___________________________.
5. The particles of minerals or other rocks that make up a rock are called
_____________________________.
6. The twenty minerals that make up most of the rocks of Earth’s crust
are known as _______________________________.
Write the letter of the best answer.
7. What determines the grain shape of a rock such as granite?
a. shape of the rock’s crystals
b. size of the rock’s crystals
c. shape of fragments of other rock
d. coarseness of the rock’s grains
8. What determines the grain shape of a rock such as conglomerate?
a. fineness of the rock’s grains
b. size of the rock’s grains
c. shape of the rock’s crystals
d. shape of fragments of other rock
9. Copy and complete the concept map showing the characteristics of rock
texture.
EARTH SCIENCE
Rocks Unit
Rock Texture
includes
Grain size
includes
includes
includes
jagged grain
nonbanded
coarse grain
Day 2:
Objectives 4.2.1, 4.2.2
Before class: Read section 4-2
Answer the following. Complete sentences are not needed.
1. Define: a. extrusive rock, b. intrusive rock, c. silica
2. What igneous rock is most often used as a building material?
After class:
Answer the following using complete sentences.
1. Compare and contrast intrusive and extrusive igneous rocks.
2. How does the silica content of molten material affect the color of
igneous rocks?
3. What qualities of igneous rocks have long made them useful for tools
and building materials?
Day 3:
Objective 4.3.1
Before class: Read pages 102 – 103
EARTH SCIENCE
Rocks Unit
Answer the following. Complete sentences are not needed.
1. Define: a. sediment, b. erosion, c. deposition, d. compaction,
e. cementation
During class:
Answer the following. Complete sentences are not necessary.
1. Perform the Discover Activity on page 102. Answer all the questions.
After class:
Answer the following using complete sentences.
1. What remains of living things may sediment include?
2. Describe what happens to sediment as it is changed to sedimentary
rock.
3. What are three forces that can carry sediment?
Match the process with its description
4.
5.
6.
7.
_____erosion
_____deposition
_____compaction
_____cementation
a. Dissolved minerals glue sediments
together.
b. Sediments are pressed together in
layers.
c. Water or wind loosen and carry away
fragments of rocks.
d. Sediments settle out of water or wind
Day 4:
Objectives 4.3.2, 4.3.3
Before class: Read pages 104 – 106
Answer the following. Complete sentences are not needed.
1. Define: a. clastic rock, b. organic rock, c. chemical rock
After class:
Answer the following using complete sentences.
1. How does organic limestone form?
2. How does chemical limestone form?
3. Why have sandstone and limestone been used as building materials for
thousands of years?
Copy and complete the following table
Type of
Sedimentary
Rock
Clastic Rock
Organic Rock
Chemical Rock
Description
Examples
(list more
than one for
each type)
EARTH SCIENCE
Rocks Unit
Day 5:
Objectives 4.5.1, 4.5.2, 4.5 3
Before class: Read section 4–5
Answer the following. Complete sentences are not needed.
1. Define: a. metamorphic, b. foliated
2. List the two forces that can change rocks into metamorphic rocks.
During class:
Answer the following. Complete sentences are not necessary.
1. Perform the Try This Activity on page 111. Answer all of the questions.
After class:
Answer the following using complete sentences.
1. How do rocks change when they become metamorphic rocks?
2. What kinds of rocks can be changed into metamorphic rocks?
3. Why is marble useful for buildings and statues?
4. Write the letter of each type of metamorphic rock that is foliated.
a. slate
b. quartzite
c. gneiss
d. marble
Day 6:
Objective 4.6.1
Before class: Read section 4–6
Answer the following. Complete sentences are not needed.
1. Define: rock cycle
During class:
Answer the following. Complete sentences are not necessary.
2. Perform the Discover Activity on page 114. Answer all the questions.
After class:
Answer the following using complete sentences.
1. How do forces inside Earth drive the rock cycle?
2. Describe how the granite of a mountain could change first into
sandstone and then into quartzite.
EARTH SCIENCE
Rocks Unit
Day 7:
All Objectives
Before class: Organize your handouts from each day.
You should
have days 1 – 6. Miss Becker will be checking that you have them all
during class.
During class:
We will play a review game in class.
After class:
Answer the following questions from the chapter 4 review on pages 119 – 120.
Complete sentences are not needed.
Reviewing Key Terms 1 – 6
Checking Concepts 7-12
Thinking Critically 13, 15, 18
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