Determine if gender affects the ability to identify different smells.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

This science fair project idea investigates whether plants can survive being frozen.

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

The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.

This project examines whether people's taste perception is influenced by what they see.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Learn whether writing things down really makes things easier to remember.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

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

This science fair project idea investigates how color affects temperature.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea demonstrates that plants give off water.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science fair project idea determines if the color of light affects the growth of plants.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

This science fair project idea determines the most effective method of preserving food.

How well can people recall what they have observed. Test your knowledge in this fun experiment.