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Grade 2, Science
Std 8: Identify evidence of erosion and weathering of rocks.

Lesson Plans:

The Dynamic Earth
Students are introduced to the nature of earthquakes and volcanoes.

Erosion
The following activities will demonstrate to students various types of erosion.

Brick Pebbles
Students will be able to describe the effects of abrasion (weathering) on the shape and size of brick fragments, classify the brick fragments according to the amount of shaking and infer where this process happens to real rocks.

Unique Landforms
Students will learn how water and erosion affect the landscape, research one of three specific landforms: canyon, cave, and concretion; create a visual display illustrating its formation and how it evolved.

Erosion
The following activities will demonstrate to students various types of erosion. The purpose of these activities is to increase students’ awareness to the point where they can make intelligent decisions on proper land use.

Collecting Rocks
Students will acquire background knowledge of rocks, how they are formed, how they are used, and how to collect them.

Rocks and Minerals – Uses Past and Present
Students will learn the importance of rocks in past and present societies. Student will discover the many uses of rocks.

Minerals – The Building Blocks of Rocks
Students will acquire an understanding of how rocks are composed of different minerals.

Identifying Erosion
Students will be able to identify erosion and explain the causes of erosion.  This lesson has a technology component.

How Was the Grand Canyon Formed?
In this lesson, students will learn about how the Grand Canyon was formed, focusing on how the process of erosion enabled its rock layers to be deposited. This lesson has a technology component.
 

 

Resources:

Wind Erosion A collection of videos on wind erosion

Weathering and Erosion List of lesson plans and activities

Coastal Erosion Students will learn the most common type of erosion along a coastline.

Flashcards-Weathering Students will follow the link below to review flash cards of weathering processes.

Science Online A must see! Great site for links to Blueprint Skills, Lesson Plans, Topical Sites, Interactive Websites for Students and Worksheets

Science Clips You will find an alphabetical list of science interactive movie clips.

Suggestions for English Language Learners (ELLs):
(E/B=Entering/Beginning, D=Developing, E=Expanding)
 

(E/B): Make a class list of shapes and colors and match with illustrations.
(E/B): Discriminate between two objects based on one attribute, such as weight or texture. Which is heavier, smoother?
(E/B): Draw an object based on an oral description.
(E/B): Create a list of words to describe colors, shapes and other attributes such as rough, smooth, small.
(E/B): Group a collection of rocks by attributes and describe it to a peer. Show other groupings.
(E/B): Students will float puzzle "pieces of Earth" on a liquid surface and show how they react to an "earthquake". Students will demonstrate and give a simple explanation telling how the earth reacts to an earthquake; (D, E): ...and will give a detailed explanation of the effect of an earthquake on the earth's surface.
(D): Select rocks from a group according to a particular attribute. Tell how the rocks are related and why the others were not selected.
(D): Describe an object in writing using a "missing word" sentence and a word bank which may have words separated in categories.
(E): Write several sentences describing each of five different rocks and suggesting how each might be used. Let others identify them after reading.

 

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