In this project children practice the scientific method while playing with puffy paint.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This project examines whether people's taste perception is influenced by what they see.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This basketball project explores the best way to make the perfect shot every time.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

This science fair project idea determines the most effective method of preserving food.

What happens when colored beams of light mix? You might be surprised.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

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.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

This science fair project idea investigates how the shape of an object affects drag.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project idea explores the egg's thin membrane.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

Examine the effect of pressure on carbonation in soda.

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.