The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Here's a guide to help you design a challenging pool obstacle course for your elementary school children with ordinary pool toys and household objects.

Help your child plant a "tea garden": a garden made of herbs for making teas.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

Decorate with a banner made from paper, clover shapes and buttons to celebrate spring or St. Patrick's Day!

Determine whether butterflies like to drink sugar water, salt water, or plain water.

To help your child shake the big number blues, here's a handy strategy to make your child a place value pro!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

make the most original Easter eggs on the block with this beading craft to ring in the Spring!

Combine music, history and craft by making a Native American instrument of your own

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

These spring spring rolls are a tasty treat for lunch, dinner, or just a snack.

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

Pine cone centerpieces make for a festive and natural holiday decoration. Make a pine cone centerpiece to display on your table or mantelpiece.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Try your hand at writing jump rope rhymes by organizing your ideas first, then composing your creation like a poem.

Here's a fun arts and crafts activity that has you and your child creating a book with a secret hollow!

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Here's an activity to teach your fourth grader how to reflect on her past year and set specific, attainable goals to reach in the New Year.

Help your child make an imaginative scene come to life by making a diorama. Your child will be practicing three dimensional thinking and language arts skills.

Popcorn pops get a Valentine's Day twist with pink popcorn and a red candy center. Make popcorn pops as a special treat for Valentine's Day or any day.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Reinforce your child's measurement and problem solving skills this holiday season! This decadent bread pudding, dressed up with pumpkin and warm spices, is a holiday show-stopper.

This game reinforces the meaning of the term "multiples" and is fast enough to hold the attention of your fourth-grader.

Don't despair if numerators and denominators seem like a bore to your child. This colorful collage is sure to show him the brighter side of fractions.

Learn to recognize symmetry by playing this game! The more you play, the better you'll get at recognizing this special characteristic many playing cards have.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.