Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

This project tests the hypothesis that dark colors absorb more heat than light colors.

This science fair project idea identifies clouds as a means of predicting the weather.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

Use a recycling project to hone your childâs sewing skills and clean up her art supplies when she turns the leg of an old pair of jeans into a storage basket.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

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

Create a graph based on the interests of family member's to see who has what in common. Your child will practice her math skills and get to know the family!

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!

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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 idea which teaches you how to make butter by separating cream into butter and buttermilk.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Here's an interactive, fast-paced game that will make your fifth grader feel more comfortable with simple equations.

This heart print makes the perfect simple and sweet gift for Valentine's Day!

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.

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.

With this fun craft activity, your child can design and "make" his own money, for use as currency and math practice at home.

This science fair project idea deals with the qualities of shade on a sunny day.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.