What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Help your child make a picture of a four-leaf clover this St. Patrick's Day. It's thought that whoever finds a four-leaf clover will enjoy good luck!

Improve your child's hand-eye coordination with this outdoor group ball game that's similar to Four Square.

Here are four chocolate bark ideas to prepare with your kids that everyone will love.

Help your preschooler learn the Four Questions prior to the big night with a homemade book, complete with words and illustrations!

Get your child writing as she describes the four seasons, then decorates a shape for each to hang in the house!

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.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

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

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Declare a "Pocket Day" in your house and help your child practice his addition skills as he counts how many pockets the family is wearing that day!

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

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

The project investigates how water and movement affects erosion.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

Take paper football to the next level by creating a "field" with objects from around the house. A great indoor and rainy-day activity.

Turn learning fractions into a pizza party in this fun second grade math game.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

Okay, identifying place value isn't as fun as eating ice cream, but with a few index cards and a competitive spirit, it can be disguised a game!

Practice addition with your child in a whole new way when you battle to defend your cards in this competitive game. Math has never been so fun!

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

With help, your fifth grader can sew her own version of this pin cushion currently available at many craft fairs.

Has the rain ruined your summer outdoor campfire plans? You can still make some tasty s'mores with the help of your oven!

The objective of this science fair project is to investigate salt water density.

Create equations in this strategic math card game. Your second or third grader can practice addition, subtraction, multiplication, and division in a new way!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.