This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

This simple experiment serves as an introduction to the greenhouse effect.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

This experiment investigates if stress alters body temperature.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

This science fair project idea investigates food preference of birds.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

Can cells be frozen? This science fair project provides information to answer this question.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Dig up some dinos while promoting curiosity and sensory skills in this hands-on activity that will have your child searching for prehistoric treasure!

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Determine which metal has the highest rate of conductivity.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.