Featuring 30 ideas for experiments, from studying weather by creating clouds in a soda bottle to exploring physiology by measuring the respiration of common house plants, this text explains how to devise and produce challenging scientific experiments without the need for expensive materials.

Janice VanCleaves A+ Projects in Biology Are you having a hard time coming up with a good idea for the science fair? Do you want to earn extra credit in your biology class? Or do you just want to know how the world really works? Janice VanCleaves A+ Projects in Biology can help you, and the best part is it wont involve any complicated or expensive equipment. This step-by-step guide explores 30 different topics and offers dozens of experiment ideas. The book also includes charts, diagrams, and illustrations. Here are just a few of the topics you'll be investigating: Seed germination Chromatography Food preservatives Cellular respiration Operant conditioning Youll be amazed at how easy it is to turn your own ideas into winning science fair projects. Also available: Janice VanCleaves A+ Projects in Chemistry

Partial table of contents:
BOTANY.
Seed Parts: Exterior and Interior.
Nutrient Differences in Soils.
Hydroponics: Growth Without Soil.
Effect of Water on Turgor Pressure.
Apical Dominance: Growth Inhibitor.
Direction of Growth of Roots, Stems, and Leaves.
Phototropism: Plant Movement Due to Light.
Chromatography: Solar Photography.
ZOOLOGY.
Responses of Annelidas: Segmented Worms.
Food Preservatives.
Interactions in an Open Ecosystem.
THE HUMAN BODY.
Effectiveness of Sunscreens.
Cellular Respiration.
Effect of Stimuli on Reaction Times.
Appendices.
Glossary.
Index.