This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Start thinking about how the internet works by assembling an Ethernet cable of your own!

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This simple experiment serves as an introduction to the greenhouse effect.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

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 classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

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

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

Help your child celebrate the summer and the sun by making a sandy seascape.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

Science fair project that evaluates how well clothing fabrics block UV radiation by examining the properties of different fabrics.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Here's a simple science activity that will help your child better understand how wells bring us water.

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.