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.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

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.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

This basketball project explores the best way to make the perfect shot every time.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

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

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

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

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.