This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science fair project idea explores how length affects the weight a bridge can hold.

The objective of this science project is to determine the length of time for different seeds to germinate.

Your child can create a special winter headband with the help of some white felt and a length of silver ribbon.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Your child can brush up on her math skills by charting the length of time that each candle on the menorah takes to burn.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Invigorate your fourth grader's mind by helping him turn his room into a woven masterpiece using various lengths of material.

Introduce your child to science with something they see everyday--their shadow!

Have a kid who loves to bead, but can't seem to keep them all in one place? Use those loose beads to craft a decorative wind chime.

Make this door curtain to brighten up your home and learn colors and patterns.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

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

This costume wig is a simple craft that will result in a great item for Halloween, dress up, or pretend play. Make a yarn costume wig with your child.

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

In this pretend play activity, your child will get to design a custom superhero utility belt and invent a new superhero to go with it!

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

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

This science fair project idea investigates how color affects temperature.

Create a special Father’s Day surprise by planning and mapping a hike around the neighborhood!

This fun geometry game requires players to use measurement, find perimeter, and draw polygons. It's great for a fourth grade math student!

Have your child try her hand at creating a colorful, beaded necklace that's not only stylish, but also tells a story.

Create a paper jack-o'-lantern from upcycled paper bags and newspapers with this fun Halloween craft project!

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Grab some rope and a couple of rafts and you're ready to play Rope Rush, an exciting race game for the pool!

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.