This experiment investigates if small changes in your diet can alter your basal body temperature.

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

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

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

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.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

This science fair project idea determines which flower lasts the longest.

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

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

This experiment investigates if stress alters body temperature.

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

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

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.

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!

Help your child practice her counting as she makes this fun and festive holiday decoration!

Have your child construct his own Christmas tree from construction paper while cutting, overlapping and measuring to create an adorable modern design.

During the Passover Seder, many Jewish families pour a cup of red wine for Elijah. This year, help your child create his own welcoming glass for Elijah.

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

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