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

This pumpkin dessert recipe tastes like pie but looks like a no-bake cookie.

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

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

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

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

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

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

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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

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

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.

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

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

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!

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

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

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

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

This project tests the hypothesis that dark colors absorb more heat than light colors.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

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.

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

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

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

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

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.

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