Find out whether packaged seeds actually do expire in this new science fair project idea.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea experiments with spinning color wheels and optical illusions.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

This science fair project idea produces sounds by creating vibrations using different objects.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

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.

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.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

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

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.