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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This science fair project idea explores substances that cause a bubble to last longer.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea investigates how color affects temperature.

This project tests the hypothesis that dark colors absorb more heat than light colors.

The project determines which type of birds prefer which type of birdseed.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

The project determines which laundry detergent is best for cleaning clothes.

Examine the effect of pressure on carbonation in soda.