Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Travel back to the Jurassic age with this creative dinosaur activity that would make a great addition to any wall or fridge.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

This science research project challenges students to think of more effective lobster farming methods.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Learn with makes water molecules work with this fun and easy science activity!

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Make a spring collage with your child to get them outside and those creative juices flowing!

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

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

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.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.