Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.

Learn about the growing app design field by designing a new or improved app for smartphones.

This science fair project teaches students the differences between fruits and vegetables.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

Science fair project that explains and demonstrates the parallax principle.

Thoroughly research image search engines. Consider possible improvements for visual search engines. Help design better image-matching engines.

This experiment provides a graphic illustration of the chemical reaction that occurs when you activate a hand warmer.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

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.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

In this experiment, you experiment with laser jet toner, a magnetic fluid, as it moves, bubbles, and forms unique shapes.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.

This science project teaches students to classify different shapes of leaves.

Science fair project that designs a video game that requires players to use relevant skills.

Help your preschooler craft a homemade wind spinning device--a surefire to make your backyard sparkle, and teach her a bit about weather!

This project explores ways to prevent static electrical shocks.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.