Diffusion, blood circulation, growth in plants and humans, controlling plant growth, DNA and enzymes, cell division, selective breeding and GM, cloning
Elements, compounds and chemical equations, atomic structure, ionic bonding, covalent bonding, alkali metals, the Halogens, transition elements, metal structures and their properties, electrolysis
Acids and bases, reaction masses, making ammonia - the Haber process, batch and continuous processing, fertilizers and crop yield, how pure is our water, nanochemistry, detergents
Electrostatics - sparks, uses of electrostatics, electrical circuits, ultrasound, what is radioactivity, nuclear fission, uses of radioisotopes, radiation treatment