This science fair project idea explores how length affects the weight a bridge can hold.

The objective of this science project is to determine the length of time for different seeds to germinate.

Introduce your child to science with something they see everyday--their shadow!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

Using a toy race car kids create a visual model of the Doppler Effect.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

This science fair project idea investigates how the shape of an object affects drag.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Learn all about balance and motion as your child designs a corn maze!

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

This science fair project examines how seeds hitchhike on animals and clothing.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.