This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

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

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

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

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

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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

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.

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.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

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

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

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.

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

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

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.

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

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.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

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.

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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

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

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.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.