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

This project compares the strength of one, two, and three-ply toilet paper.

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

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

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

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.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

In this project children practice the scientific method while playing with puffy paint.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This science fair project idea compares biodiversity between drops of water.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

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

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This science fair project idea explores which fruit molds the fastest.