Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

This science fair project idea provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Set your teen on the beat in a real world "crime scene" investigation. Can he tell whose fingerprints are on a drinking glass?

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

Use a dichotomous key to identify plants or animals.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

In this art project, budding entomologists will create a larger than life, moveable puppet version of a praying mantis.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

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

Help your child build her very own science laboratory at home for experiments and science projects. This is a quick, easy, and fun educational tool!

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Check out this cool science fair project on identifying rocks and minerals for kids.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

How well can people recall what they have observed. Test your knowledge in this fun experiment.