This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

This entertaining magic trick will 'trick' kids into using math skill to impress their friends!

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

This science fair project idea discovers the effect of (high) heat on animal cells.

This science fair project idea identifies clouds as a means of predicting the weather.

Play multiplication war, a fun card game, with your child and before long those annoying multiplication facts will be part of her mathematical skill set.

Help your child stay physically and mentally active with this group aerobic fitness game that's good for the heart and mind alike.

This science fair project idea determines effective strategies to help students stay awake and attentive.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

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

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

This science fair project explores how salt and sugar affect the melting rate of ice in water.

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

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Multiplication facts are a necessary skill, and this board game provides a fun way for your third grader to practice them!

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

This activity will help your child build his early math skills by practicing shape recognition.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

This science fair project idea determines if a particular chemical has an effect (increase or decrease) on the heart rate of Daphnia.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.