During the Passover Seder, many Jewish families pour a cup of red wine for Elijah. This year, help your child create his own welcoming glass for Elijah.

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

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

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

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

Combine art, history and food with this unique project! Your child will make her own butters, and learn a little about Colonial history at the same time

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

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.

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

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.

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.

This Pysanky egg-decorating activity is perfect for young artists. Bring a little color and creativity to any holiday with this traditional Ukrainian craft.

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

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!

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

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.

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.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

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.