Help your child make a beautiful homemade sandcastle that will last!

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

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

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

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

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

In this science fair project, students use the streak test to tell minerals apart from each other.

How powerful is the reaction between baking soda and vinegar? Find out here!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

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

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

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

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

This science fair project idea demonstrates that plants give off water.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.