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

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

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

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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!

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

Research information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

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

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Summer is a great time to work on pre-kindergarten skills that will serve your child well in her first year at school, while having some fun in the sun!

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.