The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Determine which metal has the highest rate of conductivity.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

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

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

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

Science fair project that cultivates slime mold and monitors the stages of its development.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

This activity spotlights everyone's favorite reindeer, Rudolph, and preserves your child's handprints in his "antlers".

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

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