Natural water (1) Student activity Play

New methods of controlling plant diseases Illustration Play

Nutrients Student activity Play

Nutrients in food Slideshow Play

Nutrition Student activity Play

Occurrence of aldehydes and ketones in nature Student activity Play

Occurrence of aldehydes and ketones in nature Slideshow Play

Occurrence of halogens Slideshow Play

Operation of a wastewater treatment plant Animation Play

Organic and inorganic compounds Student activity Play

Organic compounds in plants Whiteboard exercise Play

Osmosis in plant and animal cells Student activity Play

Osmosis in plant and animal cells Animation Play

Osmosis in plant and animal cells Whiteboard exercise Play

Osmosis in plant cells Whiteboard exercise Play

Osmosis in plant cells Student activity Play

Osmosis in plant cells Slideshow Play

Other functions of epidermal tissue Whiteboard exercise Play

Other functions of epidermal tissue Student activity Play

Other nastic movements – chemonasty and seismonasty Student activity Play

Other tropisms – chemotropism and thigmotropism Student activity Play

Oxygen content in natural water Slideshow Play

Packing tissue Student activity Play

Parenchyma cells Slideshow Play

Passage of water through a plant Animation Play