Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

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

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

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

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.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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

This science fair project teaches students about wilting and browning of salad greens.

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

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

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

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.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

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

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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

This science fair project teaches students the differences between fruits and vegetables.