Unit: Earth’s Composition// Concepts: Structure Based on Composition AND Igneous Rocks
7th Grade Science- Berumen (Week of January 23- January 30)
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January 23, 2015
I. Metamorphic Rocks Quiz
II. We will answer the following questions as a class using previous knowledge.
I do not expect you to know the correct answer.

What causes an earthquake?

Where does lava in a volcano come from?

What causes the shaking in an earthquake?

What causes plate tectonic movement?

Do you think the whole Earth moves or just the crust?
III. Video Segment: “The Structure of Earth’s Interior”.
-Based on the video, how is a hardboiled egg similar to Earth?
Using the video, fill in the following table relating the layers of a hardboiled egg and
how they compare to the layers of Earth.
EGG
Hard Shell
Egg White
Egg Yolk
EARTH
IV: Answer the following questions using the Video Segment: “What is it like below the
surface of the Earth?”
1. What is the OUTERMOST layer of the Earth?
2. What are the TWO sources of heat within the Earth?
3. Give ONE example of a radioactive element.
Unit: Earth’s Composition// Concepts: Structure Based on Composition AND Igneous Rocks
7th Grade Science- Berumen (Week of January 23- January 30)
V: Vocabulary. Define the following vocabulary words using Discovery Education’s
Interactive Glossary.

Canyon

Density

Deposit

Geology

Lava

Metal

Ocean

Rock layer

Volcanic dome

Volcano
January 26, 2015
I. Bell Work
1
3
1. 7 ∗ 10
2
11
4
3
2. 9 ∗ 12
3. 5 ∗ 8
II. We will watch the video segments “What Is It Like Below the Surface of the Earth?” ,
“ AND the video segment “Earth” from (3:57-4:55).
We will then use the information discussed in the video to take class notes.
TWO TYPES OF LAYERS
I. PHYSICAL LAYERSThey are called physical layers because they are _______, _______ and ________
 There are _______ physical layers.
Unit: Earth’s Composition// Concepts: Structure Based on Composition AND Igneous Rocks
7th Grade Science- Berumen (Week of January 23- January 30)
Physical Layer
Description
Answer the following question in a complete sentence.
**Why doesn’t the inner core of the Earth melt?
II. EARTH’S COMPOSITIONAL LAYERS.
-They are called compositional layers because
-There are _________ compositional layers.
Compositional Layer

Description
As a class we are going to read the “EXPLORE” tab of the concept “Structure
based on Composition”. As we read the paragraphs, we will add more notes to
our table.
Unit: Earth’s Composition// Concepts: Structure Based on Composition AND Igneous Rocks
7th Grade Science- Berumen (Week of January 23- January 30)
January 27, 2015
I. Bell Work
9
4
1. 11 ∗ 7
14
2
4
3
2. 27 ∗ 3
3. 7 ∗ 12
II. Log into Discovery Education, go to your “Science Techbook”.
Click on the Unit “Earth’s Composition”, and on the concept “Structure Based on
Composition”. Click on the “EXPLORE” tab, and click on the SECOND box on the left
hand column titled “STRUCTURE OF EARTH”.
Complete the exploration and the diagram below.
TO FILL IN THE DIAGRAM, CLICK ON THE BLACK BOXES AND TYPE.
Using all of the resources we have looked at the past couple days, including the
“EXPLORE” tab, answer the following questions in complete sentences.
1. What are the compositional layers of Earth’s interior?
2. Describe the PHYSICAL layers of Earth (one sentence per layer).
LithosphereAsthenosphereMesosphereOuter CoreInner Core-
Unit: Earth’s Composition// Concepts: Structure Based on Composition AND Igneous Rocks
7th Grade Science- Berumen (Week of January 23- January 30)
3. Describe the COMPOSITIONAL layers of Earth (one sentence per layer).
CrustMantleCore-
The following statements are FALSE. Rewrite the sentence to make it true, or
provide a description as to why the statement is FALSE.
1. Earth’s interior is made of solid rock.
1. Humans can drill into Earth’s core.
2. Lava erupting in volcanoes rises from Earth’s core.
Unit: Earth’s Composition- Concept: Igneous Rocks
Vocabulary: Define the following words using Discovery Education’s Interactive
Glossary.
 Landform

Magma

Mantle

Molten

Prehistoric

Pressure

Superposition
Unit: Earth’s Composition// Concepts: Structure Based on Composition AND Igneous Rocks
7th Grade Science- Berumen (Week of January 23- January 30)
January 28, 2015
I.
Bell Work
4
73
1. 9 ∗ 120
7
9
4
9
2. 15 ∗ 17
3. 11 ∗ 10
We will watch the video segment “Granite Rocks” and we will answer the
following questions as a class. I do not expect you to know the answers to
these questions yet.
II.
1. How did the sediment that was deposited on the ocean floor millions of
years ago turn into the granite rock that makes up most of Yosemite Valley?
2. Did the granite come from a volcano?
3. If the granite formed underground, how did it get to the surface?
III. We will watch the first 3min and 53 seconds of the video segment “Magma Inside the
Earth” and we will answer the following questions.
1. What is the difference between magma and lava?
2. What kind of rock forms when lava hardens?
IV. Class Notes
As a class we will read the reading passage uploaded on learn titled “Characteristics
of Igneous Rocks”It is found under the “Structure & Igneous Rocks” folder.
IGNEOUS ROCKS ARE classified by ______________ and _______________.
Classifying Igneous rocks by texture
Extrusive
Intrusive
Unit: Earth’s Composition// Concepts: Structure Based on Composition AND Igneous Rocks
7th Grade Science- Berumen (Week of January 23- January 30)
Classifying Igneous Rocks by Composition
- The four classifications of igneous rocks by composition are _____________,
_____________, ______________ and ________________.
- The two main classifications are ______________ and ________________.
Felsic
Mafic
EQUIVALENT TERMS
Terms used in classifying Igneous
Rocks by TEXTURE
Plutonic=
Volcanic =
EQUIVALENT TERMS
Terms used in classifying Igneous
Rocks by COMPOSITION
Acid=
Basic =
January 29, 2015
I. Bell Work
9
3
1. 11 ∗ 7
2.
3.
4
19
14
15
6
∗ 19
11
∗ 18
II. We will watch the video segment “How are Igneous Rocks formed?” and answer the
following questions.
 What is the process of crystallization?

What is the difference between extrusive and intrusive igneous rocks?

Give an example of an extrusive igneous rock.
Unit: Earth’s Composition// Concepts: Structure Based on Composition AND Igneous Rocks
7th Grade Science- Berumen (Week of January 23- January 30)

Give an example of an intrusive igneous rock.

What are the two different types of weathering?
III. “Chill Out, Rock On”. Assigned to you on Discovery Education is an exploration
titled “Chill Out, Rock On”. Complete the exploration and fill out the table using your
results.
Magma Type
Where Rock
Formed
Rate of Cooling
Name of Rock
Formed
SCORIA
BASALT
GABBRO
PUMICE
RHYOLITE
GRANITE
IV. “Take me for Granite”. We will now read the reading passage uploaded on LEARN
titled “Take me for Granite”. After we read the passage, you will write up a brief (4
sentence) description of HOW GRANITE CAN BE TRANSFORMED INTO
SEDIMENTARY AND METAMORPHIC ROCK.
January 30, 2015
I. We will watch the video segment “When Earth Erupts”. Using the video segment and
other resources online, fill out the following table.
Volcano Type
Description
(Shape, size, materials, eruption, and location)
Shield Volcano
Composite
Volcano
Unit: Earth’s Composition// Concepts: Structure Based on Composition AND Igneous Rocks
7th Grade Science- Berumen (Week of January 23- January 30)
Cinder Cone
Volcano
II. Research: You will research why do some volcanoes have explosive eruptions,
while others have relatively “quiet” eruptions?
Give an example of volcano that has an “explosive eruption”
Give an example of a volcano that has a “quiet eruption”
MAKE SURE THAT YOU SHARE THIS DOCUMENT WITH ME BY FRIDAY,
JANUARY 30TH, 2015!!!!!!!