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

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

In this painting and drawing project, not only will stars shine in the evening sky over the skyscrapers, they will also create a waterfront reflection.

This project compares the strength of one, two, and three-ply toilet paper.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

3-D Christmas tree cookies look impressive but are an easy holiday recipe that kids can make. These sugar cookies stand up on their own!

Your child will have a blast creating this adorable black cat with a cardboard tube and some pipe cleaners. A perfect craft for Halloween decorating!

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

In this project children practice the scientific method while playing with puffy paint.

Work on factors in this fun math card game and help your third grader gain math confidence through this fun division activity.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Craft butterflies from coffee filters in this sweet spring craft project!

These DIY star garlands will add the perfect patriotic touch to your home this 4th of July!

Help your child create a rebus message for a unique Father's Day card or poster; it's like a collage and encoded message all in one!

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

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Turn your living room into a sophisticated café while your child and their friends explore the world of poetry with this unique and entertaining party idea.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

This fun writing activity takes a regular task - writing a story - and transforms it into a collaborative writing experience for hilarious results!

A woven heart makes a thoughtful and heartfelt gift for a special friend or family member on Valentine's Day. Make a woven heart with your young crafter.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Help your child learn about the world through this 3rd-4th grade geography activity: start a postcard collection and mark where they came from on a world map.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Practice of math facts is usually limited to drill sheets and flashcards. But kids are more likely to tune in to math facts if practice is presented as a game!

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