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Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Did you know that August is American Artist Month? Your child can explore the art of photography by using a digital camera to capture the landscape around her.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

This experiment tests which gender is better at catching how a magician performs his tricks.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

This science fair project idea investigates food preference of birds.

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

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

Find out whether matte or shiny nail polish lasts longer.

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.