Make a backbone model to explore human anatomy and life science.

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!

Is your precocious third grader a Shakespeare in the making? Challenge her growing vocabulary with a group game that rewards her wordy ways

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

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

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea experiments with spinning color wheels and optical illusions.

Light up your home with this lightning bug craft that will keep glowing even after summer's gone!

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

In this activity, your child will watch a video about empathy and practice speaking to someone with empathy. They will also discuss how empathy supports living in a community with others.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Explore the world from your own home by conducting research about other cultures with your 4th grade child.

Assemble your own stylish spider ring this Halloween using pipe cleaners and googly eyes!

What exactly went on in a typical dinosaur family? Travel back to the Mesozoic Era and bring out your kid's creative side with this sequencing activity.

This science fair project idea explores whether white light can be separated into different colors.

Hop to this froggy Valentine's Day craft! Your little one will love making this unique Valentine's Day card, a heart-shaped paper frog.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

This science fair project idea investigates the difference in reaction times between boys and girls.

The next time you're trapped indoors on a dreary day, try this take on dodgeball. All you need are a group of kids, an open area and a soft, spongy ball.

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

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.