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

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.

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

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!

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Make this delicious warm apple bread for Hanukkah.

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!

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

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

How powerful is the reaction between baking soda and vinegar? Find out here!

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.

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

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

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

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

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

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

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

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.

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

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 science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

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.

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

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.

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

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

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