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.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

Determine which metal has the highest rate of conductivity.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

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

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

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

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

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

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

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

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

This very physical game gets math off the page and into the real world-- and it works on number sense and estimation, key skills for kindergarten readiness.

This experiment investigates if stress alters body temperature.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

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.

Learn how milk freezes into ice cream. Does the fat content affect how quickly the milk freezes? What is salt's role in the freezing process?

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

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!

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

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

This science fair project idea investigates food preference of birds.

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.

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