This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

Teach your child about healthy foods and how to make a meal that is good for them with this fun activity that you both can do together.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Let your young adventurer go bug hunting in the great outdoors with their very own bug net!

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

I scream, you scream, we all scream for homemade spearmint ice cream!

Follow in the footsteps of movie character legends as you walk your little one through the steps of becoming a junior archaeologist.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

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.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

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

This easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

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

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.