* The effect of sound on plants * Plants in different environments (light intensity, colour) * The effect of nicotine, air, yeast on mold growth * Factors affecting the strength of hair, the growth of bacteria, molds or yeast * Experiment with Hydroponics * Use seedlings started from seed with three types of soil and different rates of fertilizer * The effectiveness of antiseptics and soaps on household bacteria * The effect of air pollution on algae, protozoa, fish, insects or mosses and lichens * Comparing types of artificial light on plant growth * Conditions necessary for the life of a brine shrimp * The commercial uses of algae methods of production * Producing mutations in bacteria, yeast, protozoa or molds * Best conditions for mushroom production, growth of ferns * The effects of ultrasonic antibiotics temperature changes on bacteria count * Reaction of paramecia, planaria to pH, light and temperature conditions * Plant tropisms and growth hormones * Transpiration rates for different plants and conditions * Sugar level in plant sap at different times and dates * Using radioisotopes to study uptake of plant nutrients * A study of territoriality in mice * A study of the cleaning habits of mice * Observation of conditioned responses in different animals * A study of animal phosphorescience and other biolumincescences * Learning and perception in animals and humans * Studies of memory span and memory retention * Age versus learning ability * A study of the relation between physical exercise and learning ability * Is audio or visual information better remembered? * The effect of bleaching and dyeing on hair * A study of the percentage of DNA (by weight) in different species * Factors affecting the enzyme's reaction rates * Genetic variations across a Sansevieria leaf * Factors affecting seed germination (e.g. soil temperature, pH)* Root formation in cuttings versus lighting conditions* Factors affecting flowering* Study of sterilit...
