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Weathering The breakdown of rocks into smaller particles. 2 Types 1.Physical: Only size and shape changes. 2.Chemical: composition changes
Physical Weathering What causes physical weathering? 1. Ice = freezing and thawing (frost cycle).
Physical Weathering 2. Wind = rocks get pitted from blown particles. Ventifact = angular, pitted rock with 1 or more flat sides.
Physical Weathering 3. Water = rocks become round, smooth and smaller. Abrasion = rocks break down from rubbing against each other.
Physical Weathering 4. Plants = roots grow and expand, breaking rock apart.
Physical Weathering 5. Animals = Ants / Worms Humans
Chemical Weathering 3 Types 1. Oxidation = reaction with O 2 2. Hydrolysis = reaction with H 2 O 3. Carbonation = reaction with CO 2 ** Occurs faster in hot and wet weather.
Weathering The breakdown of rocks into small particles at the Earth’s surface.
Types of Weathering Mechanical Chemical. What is Mechanical Weathering? The breakdown of rocks without changing the chemical composition of the rock.
Mechanical and chemical forces break down rock When you are walking in your neighborhood how do you think the small rocks are formed?
Weathering. The process by which rock materials are broken down by physical or chemical processes 2 types of weathering ◦Mechanical weathering ◦Chemical.
Weathering. What is weathering? The process that breaks down rock into smaller pieces, called sediments. Not to be confused with WEATHER!
R OCKS & W EATHERING Section 2.1 R OCKS & W EATHERING Weathering is the process that breaks down rock & other substances at Earth’s surface. Heat, cold,
Weathering and Soils Practice Test. QUESTION: What kind of weathering is represented by the following picture?
Physical Weathering Mechanical/ physical weathering: The physical breaking up of rock but does not change composition.
Weathering: The natural process by which atmosphere and environmental forces, such as wind, rain, and temperature changes, disintegrate and decompose.
Weathering Section /22/16. What is Weathering? Breakdown of rock into smaller and smaller pieces Occurs at Earth’s surface Two main types:
Rocks and Weathering Chapter 2 Section 1 Pages
Weathering and Erosion Chapter 14 Answers to Questions 1-6, & 8 page 348.
Weathering The breakdown of the materials of Earth’s crust into smaller pieces. It can happen through physical or chemical means and through natural and.
WELCOME BACK!. Do Now For Monday, Jan. 7 th WRITE AT LEAST TWO FULLSENTENCES - Use your memory and your common knowledge to describe the difference.
Rocks and Weathering Chapter 6 Section 1. Weathering and Erosion Weathering is the process that breaks down rock and other substances at Earth’s surface.
Soil Formation By :Reynaldo Thomas. Formation of Soil Soil is an accumulation of tiny particles of rock which are formed when rocks are weathered.
Chapter 8 At end of period you will get a class work grade for attentiveness and note completion…and you will have a QUIZ on the notes.
What is it? Weathering is when the shape of a rock is changed Physical weathering is when a rock breaks into smaller pieces. The change in the rock is.
Weathering, Erosion, and Deposition 1. Weathering Weathering is the breakdown of rock at the Earth’s surface. Some of these changes happen quickly and.
Weathering, Erosion and Soil Formation. What is weathering?
Types of Weathering ____________ Weathering only changes the shape. __________ Weathering changes the composition.
1 9.1 Weathering. 2 Describe how potholes form. Describe how water flows down into cracks that form of potholes.
Science: 6.10B Science: 6.10B Rocks and How They Form.
Weathering and Erosion. Weathering The breakdown do the rocks into smaller pieces, by water, plants, ice, and wind. Weathering.
Unit 2 Lesson 1 Weathering Copyright © Houghton Mifflin Harcourt Publishing Company 1.
Weathering and Erosion Weathering means the process of breaking down rocks and other substances at Earth’s surface.
Weathering and Erosion Definition: weathering Weathering is the physical or chemical alteration of rocks near or at the Earth’s surface As a rule: ROCKS.
Weatheringand Soil Formation. Rocks and Weathering.
Weathering and soil formation – section 2-1 Rocks and Weathering 1.B 2.A 3.Mechanical weathering, chemical weathering 4.Mechanical 5.Freezing and thawing,
Weathering is the process by which natural forces break down rocks.Weathering is the process by which natural forces break down rocks. There are 2 types.
W-E-D Cycle ESRT PAGE 6 The water cycle aides in the Weathering-Erosion- Deposition Cycle.
Mechanical Weathering. What is Mechanical Weathering? Weathering where the chemical make up of the rock is not changed, but the rock is broken into smaller.
Learning Outcomes: 1.To be able to understand the terms Weathering and Erosion 2.To be able to understand and describe the different types of weathering.
Mechanical and Chemical. _ jpg
Weathering The natural breaking down of rocks and other materials on the Earth’s surface. A slow continuous process that affects all substances exposed.
Weathering and Soil Formation Chapter 8. Section 1: Rocks and Weathering Review: What are mountains made of? – Rocks How are rocks made into mountains?
Weathering Topic 9 Regents Earth Science. Weathering The break down of rock material as a result of chemical and/or physical action.
Aim: What is weathering ? I. Weathering – the breakup of rock due to exposure to the atmosphere. A. Erosion – is the removal and transport of earth materials.
Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Weathering and Soil Formation Section 1 Weathering Section 2 Rates.
statueGrand Canyon Sand Pile What do These 3 Things Have in Common??
Science Starter Pick up a post-it note at the front desk and answer the following questions… What is weathering? What is erosion? Place your post-it note.
Weathering 1/4/ a pgs IN: How does sediment form? Glue in the new Table of Contents.
Weathering and Soil Formation. The Effects of Weathering 1.Weathering is the process that breaks down rock and other substances on Earth's surface. 2.What.
Weathering The Earth’s Changing Surface. Weathering the process that breaks down rock and other substances at Earth’s surface.
Write briefly about a truly scientific observation you made over the break. I will only call on 3 of you to share.
Weathering Earth Science – Ms. Bray. Weathering and Soil Formation Objectives Define mechanical and chemical weathering. Discuss agents of weathering.
Weathering The process by which rock is broken down into smaller pieces May be physical or mechanical (they mean the same thing) May be chemical May be.
WEATHERING, EROSION & DEPOSITION Advanced Earth Science VA SOL ES. 7(a)
Unit 1 Lesson 2 Weathering Copyright © Houghton Mifflin Harcourt Publishing Company.
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