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.

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

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.

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.

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

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

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

Celebrate our founding fathers and the parchment they wrote on with this DIY scroll project.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Here's how to create an easy travel checkers board that you are your child can enjoy together using simple materials.

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

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

Make this cool iPod or cell phone case for Dad out of one of his little-used ties.

Get your child excited about measuring with this fun and easy household measurements activity.

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.

Find the area in this fun math card game. You'll help your child start thinking in terms of units as you create shapes out of playing cards.

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.

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

Everyone loves homemade cookies, but have you ever thought about making the cookie cutters at home? Here's some instructions for making homemade cookie cutters.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Make unique and pretty bracelets using that all-purpose mainstay of crafts and home repair: duct tape!

Kids will have a hoot constructing this cute owl craft from a recycled toilet paper roll.

Why would you pay for pricey dolls at the store when your second grader can create and play with her own personalized set?

Use adorable animal photos from books or magazines to make these simple valentines that can be given to classmates or friends.