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Weathering


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A series of free Science Lessons for 7th Grade and 8th Grade, KS3 and Checkpoint Science in preparation for GCSE and IGCSE Science.

Water Breaks Down Rocks
How water makes rocks smaller?
Erosion and Soil
Experiment to explain why erosion occurs more slowly when soil is paired with leaf debris or plants.



Surface Processes: Physical and Chemical Weathering
A review of physical and chemical weathering and the different types of each.
Physical Weathering: Frost Action, Abrasion, exfoliation, root wedging, biological activity.
Chemical Weathering: oxidation, carbonation, hydration, organic activity.

Try out our new and fun Fraction Concoction Game.

Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.

Fraction Concoction Game


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