Nutrient Cycles

Nutrient Cycles

KS 4 47 slide slideshow. This presentation covers the carbon cycle, the nitrogen cycle and water cycle. There are 26 questions for students to attempt.
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The Electron Microscope

The Electron Microscope

KS5 15 slide slideshow. This presentation describes the use of the transmission and scanning electron microscopes and compares their advantages and disadvantages over the light microscope.
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KS 4 Photosynthesis

KS 4 Photosynthesis

KS 4 27 slide slideshow. This presentation covers the structure and function of the leaf, the transpiration stream, the role of photosynthetic pigments, the uptake of mineral ions, and translocation.
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Gene Mutation

Gene Mutation

KS 5 9 slide slideshow. This presentation illustrates the effects of substitution, deletion, insertion and frame shifts on the genotype.
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