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

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.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

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.

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

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

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.

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

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.

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.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

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

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

Make this delicious warm apple bread for Hanukkah.

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?

If you love the idea of handing out holiday tins of homemade cookies but you're not a baker, chocolate-covered apples are the perfect solution.

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

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.

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.