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Examine the impact of insecticides on plant growth.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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 investigates how the shape of an object affects drag.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

This project examines whether sugar substitutes are as sweet as real sugar.

Test your friends to find out if you can replicate the placebo effect's incredible results.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

This project compares the national anthems of several different countries to determine if there is a correlation between tempo and a country's latitude.

Science fair project that demonstrates how stalagmites and stalactites are formed.

Determine whether the relationship between a personâs armspan and height are genetic.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

This flexible activity for preschoolers features jellybeans, counting, coloring, and the five senses.

This project examines which type of dance burns the most calories.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Help your child add some flair to the family garden with pencil pinwheels!