Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

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

Make edible amber fossils with your second grader to explore the fascinating world of science!

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

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.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

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

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

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

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!