This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Use familiar household items and decorations to turn estimation into a fun game!

Your fourth grader will improve her hand-eye coordination making catnip mice, and you'll finally have a use for all those mate-less socks in the laundry room!

Make this mason jar craft that looks like a glowing snowflake and works like a lantern!

Make a poodle skirt for a creative sewing project with your child that will also be a blast from the past!

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Civil War soldiers didn't take their wives with them to the battlefield, but they took along a piece of home: little sewing kits called "housewives".

Learn about the architecture of Asia by building your very own model of a pagoda!

Thanksgiving is a time to be with loved ones. It's also a time to chow down! Need help in the kitchen? There's no better helper than an avid fourth grader.

Did you know cooking supports your child in learning complex math skills? Reinforce your child's measurement and problem solving skills by whipping up some healthy sweet potatoes for a dinner side dish!

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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

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

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.

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

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Enhance fourth-grade measurement making skills and social studies learning with this stitching project.

This gumbo recipe is a yummy way to celebrate Black History Month, and get a little practice in measurement.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.