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More Science Lessons (KS3)
Math Worksheets

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.

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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