This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

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.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Find out whether putting something on top of a plant will inhibit its growth.

Learn about the factors that influence group conformity.

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

Is it a square or a circle? See if you can trick your friends with this zany science project!

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

Plants and light seem to be good buddies, but how far does the friendship really go?

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.