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Earth’s Structure Worksheet with Answers, Exercises of Earth Sciences

Earth internal and overall structure worksheet with diagrams

Typology: Exercises

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Name _____________________
The internal structure of the Earth
Read the definitions and fill in the blanks, and then label the
diagram below
Crust - the _ _ _ _ _ surface of the Earth. The crust is quite
thin like the _ _ _ _ of an orange and is thinner under the
_ _ _ _ _ _.
Inner core - the solid iron-nickel _ _ _ _ _ _ of the Earth
that is very _ _ _ and under great pressure.
Mantle - a rocky _ _ _ _ _ located under the _ _ _ _ _. It is
extremely hot – about _ _ _ _ degrees C.
Outer core – made of metal so hot that is _ _ _ _ _ _. This
layer moves slowly and produces a _ _ _ _ _ _ _ _ field.
outer layer oceans centre crust
hot skin magnetic liquid 5000
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Download Earth’s Structure Worksheet with Answers and more Exercises Earth Sciences in PDF only on Docsity!

Name _____________________

The internal structure of the Earth

Read the definitions and fill in the blanks, and then label the

diagram below

Crust - the _ _ _ _ _ surface of the Earth. The crust is quite

thin like the _ _ _ _ of an orange and is thinner under the

_ _ _ _ _ _.

Inner core - the solid iron-nickel _ _ _ _ _ _ of the Earth

that is very _ _ _ and under great pressure.

Mantle - a rocky _ _ _ _ _ located under the _ _ _ _ _. It is

extremely hot – about _ _ _ _ degrees C.

Outer core – made of metal so hot that is _ _ _ _ _ _. This

layer moves slowly and produces a _ _ _ _ _ _ _ _ field.

outer layer oceans centre crust hot skin magnetic liquid 5000

Earth’s Structure Worksheet

Use information from the following website: to color in the earth and label http://www.learner.org/interactives/dynamicearth/structure.html

Name: __________________________________________ Date: _______________

Inside Earth WebQuest: Worksheet

Introduction: A Webquest is a way for you to explore a topic, such as “The Layers of the Earth” and find useful information to help you understand the topic. In this webquest, you will be visiting web sites that will help you better understand the Earth's interior, continental drift, plate tectonics and how these topics fit together. Directions: Using search engines (google, bing, duck duck go, yahoo, ask, etc.) and the internet links provided answer the questions below to learn more about the layers of the earth. Earth's Interior Earth is many thousand kilometers in depth. If you could travel deep into the Earth's surface you would find it contains three main layers: the crust, the mantle and the core. To learn more about the layers of Earth, search the internet and click on the following links and answer the questions that follow: Read the Definitions. Using the internet, answer the questions that follow: crust The crust is thinner under the oceans. - the rigid, rocky outer surface of the Earth, composed mostly of basalt and granite.

Question: What type(s) of rock(s) are basalt and granite? Question: How were these rocks formed? inner core - the solid iron-nickel center of the Earth that is very hot and under great pressure. Question: What is the inner core made of? mantle iron, aluminum, and calcium. Convection (heat) currents carry heat from the hot inner mantle - a rocky layer located under the crust - it is composed of silicon, oxygen, magnesium, to the cooler outer mantle. Question: The mantle is divided into two sections. What do we call the top half section of the mantle?

Question: What do we call the bottom half section of the mantle? Question: The mantle the thickest layer of the Earth. How thick is it? Question: What types of currents are formed in the mantle? outer core - the molten iron-nickel layer that surrounds the inner core. Question: What is the outer core made of?

Now, go to the following link: Composition of the Earth (http://www.ducksters.com/science/composition_of_the_earth.php)

Composition of the Earth:

  1. Is the Earth one solid piece of Rock?
  2. Are some of the parts of the Earth constantly moving?
  3. Why can we compare the Earth to an onion?
  4. What are the four main layers of the Earth?
  5. What is the crust?
  6. Is the mantle thicker or thinner than the crust?
  7. What are plate tectonics?
  8. Do these plates move?
  9. What happens when these plates bump up against one another?
  10. Is the outer core a liquid or solid?
  11. Why is the Earth’s outer core so important to the Earth?
  12. Why is the Earth’s inner core a solid and not a liquid, even though it is very, very hot?

Now go to: (http://www.harcourtschool.com/activity/science_up_close/606/deploy/interface.html) Earth Layers Interface

Click START Click on the diagram to learn more about the Earth’s Layers. Answer the questions. First, click on the Crust.

  1. What can be found on the Earth’s crust?
  2. Where is the crust thicker – under the continental shelf or under the oceans?