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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.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

This science fair project idea investigates whether plants can survive being frozen.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

This science fair project idea explores how length affects the weight a bridge can hold.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Determine how we can separate the components of a solution

This science fair project idea explores whether talking to a plant will help it grow.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Science fair project that examines the biodiversity of ant populations in various locations.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This experiment uses personality assessments to evaluate the prevalence of specific character traits in left-handed and right-handed people

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

This science fair project idea explores the different properties & interactions of sugar molecules.

Evaluate the efficacy of different pain management techniques.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

Check out this cool science fair project on identifying rocks and minerals for kids.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.