Geological changes: weathering

Subject: Science

Grade: Upper Primary

Publisher: YDP

Resource types: Whiteboard presentation

Resource ID: k1237
Description:

At the end of this activity, students should be able to:
– describe three ways in which weathering of rocks takes place,- explain how the forces generated by expansion, contraction and the freezing of water can cause weathering,- describe some ways in which biological and chemical weathering take place.

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Geological changes:... Class activity

Consists of...
Examples of weathering Slideshow The weathered lands... Whiteboard exercise Types of physical w... Slideshow Freeze-and-thaw wea... Illustration Physical weathering Whiteboard exercise Acid rain Slideshow How acid affects chalk Simulation Chemical weathering Whiteboard exercise How plants can spli... Animation Examples of biologi... Illustration Recognising example... Whiteboard exercise Soil composition Simulation Types of soil Slideshow Statements about soil Whiteboard exercise

Relevant to...

Primary School

Upper Primary (Grades 4-6)

Science

Changing Materials

44. Geological changes: weathering

YDP SA

Keywords

solvent, solvents, weathering, geological, anti-freeze, dry cleaning, changes:, Geological changes: weathering

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