Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Fly into some rainy day fun with a cardboard airplane project. Making paper airplanes is fun, but you can add a new twist by using recycled materials instead.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

This science fair project idea explores whether talking to a plant will help it grow.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

Learn the anatomical and physiological differences between central and peripheral visual systems.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

This science fair project idea investigates how images are influenced by changes in light.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

This experiment will explore the best way to create a perfect soft-boiled egg.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Create groups of volunteers based on frequency of playing video games. Compare driving records. Analyze data, interpret findings.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Research information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

Help your child understand that letters, put in a certain order, make words. In this fun activity they'll get to make their own puzzle, and practice letters, too!

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Help your teen set--and maintain--an exercise routine and health goals that will improve his overall well-being.