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

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Learn to make homemade ketchup with your child and experiment with spices and flavors!

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

A great way to cultivate awareness, focus and attention in the present is through movement. Mindful movement can also decrease stress and anxiety and increase calm.

Teach your fourth grader foreshortening, a type of visual perspective in art with this fun and easy activity!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Celebrate Kwanzaa with your fourth grader, or introduce them to a new cultural practice, by showing them how to weave a Kwanzaa mat out of an ordinary paper bag!

Give your child some simple craft supplies and see what happens in this heartwarming and artistic contribution to the Seder table this year.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Show your child how to paint in true Georgia O'Keeffe style. He'll enjoy painting art inspired by a master, and boost his math skills, too.

Create a yarn doll out of a few toothpicks and colorful string with this Guatemalan craft.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

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

Looking for way to help Japan? Start by making paper cranes! Learn how you and your child can show your support for Japan through the art of origami.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Reuse old Christmas cards by showing your fourth grader how to weave strips of them together to create new and unique woven holiday cards!

This science fair project idea investigates if fats add to the flavor of food.

Have a bookworm on your hands? They'll boost their spelling and problem solving skills with this Oulipo activity re-writing lyrics to beloved Christmas songs!

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

If there's a special person in your fourth grader's life, show him how to create this beautiful photo frame luminary as an extra special Valentine's Day gift!

An home science experiment for older students that teaches about the science behind heat.

Does your child know all the greatest kid-friendly places in town? Here's an activity that lets them create a cool city guide and work their writing chops, too!

This paper mache snowman is a unique winter craft for kids. Use this paper mache snowman to show your child the wonders of this three-dimensional art form.

Help your child construct and author a "sempuyo," a traditional Japanese book with accordion-style pages; she will develop her writing and fine motor skills.

Create a compass rose from sidewalk chalk in this summer geography project!

Your fourth-grader can hone her baking skills with this classic American recipe the whole family will enjoy!

Help your child create an Easter bunny with this craft that is hopping good fun.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.