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This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Make this delicious warm apple bread for Hanukkah.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

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

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

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

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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.

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

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

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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

Do you think heat can affect a plant's growth rate?

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Use this great no-bake recipe to save energy and keep cool.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

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.

Topped with roasted pumpkin, prosciutto, herbs, and feta, these pita pizzas are a healthy, seasonal alternative to your classic pie.

This simple experiment serves as an introduction to the greenhouse effect.

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

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

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!

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