Science fair project that tests whether cats have a preference for organic food.

This science fair project idea discovers the average time it takes for a person to remember something completely.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Science fair project that compares tap water and bottled water for the presence of common impurities.

This science fair project idea produces varying pitches of sound.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

The project idea is to understand how sugar effects brain chemistry.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

The objective of this science project is to investigate patterns in fingerprints among family members.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

This project examines the concentration of dissolved oxygen in water, with and without oil.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

The objective of this science fair project is to understand how to stop the oxidation process from occurring in guacamole.

Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.

Help your child add some flair to the family garden with pencil pinwheels!

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.