What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

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

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

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

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

Learn how milk freezes into ice cream. Does the fat content affect how quickly the milk freezes? What is salt's role in the freezing process?

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.

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

This science fair project idea determines if a particular chemical has an effect (increase or decrease) on the heart rate of Daphnia.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

The objective of this experiment is to evaluate the effects of acid rain on plants.