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.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

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

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Make pickled carrots at home! Here's a fun activity to get your child in the kitchen and make something special with no fuss or muss.

This experiment investigates if stress alters body temperature.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

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

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.

If it's Easter, it must be time for egg hunts. But we have to admit, most kids would rather take a bite out of a yummy cupcake than a hard-boiled egg.

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

This experiment will explore the best way to create a perfect soft-boiled egg.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

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.

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

Let your preschooler create something cute while making something delicious to eat: create bread sculptures, or shapes of bread dough!

Test whether cutting up meats will make it cook faster than just cooking it whole.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

This project concerns activity happening millions of miles away, on the sun.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

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

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

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

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Make this delicious warm apple bread for Hanukkah.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.