Invite your second grader to help you measure and mix these fresh, cool concoctions!

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.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

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

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

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

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

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

Determine which metal has the highest rate of conductivity.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Science fair project that uses distillation to convert salt water into fresh water.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

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

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

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

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

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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