Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

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

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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!

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

In this science fair project, students create their own miniature salt flats at home.

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

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

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.