This hands-on activity practices skip counting, a key first grade math skill. But it's silly fun!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

Try this card game to build math fact skills, like addition and subtraction, and have a great time, too!

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

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

Teach your third grader about the concepts money and purchasing with this "Mock Card Shop" activity.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

Multiplication facts are a necessary skill, and this board game provides a fun way for your third grader to practice them!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

In this fun math activity, second graders will learn to estimate items in a jar! 

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

Hone observational skills and introduce the basics of data interpretation with this data gathering activity all about the different colors people wear.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

Make math fun and easy with this activity that challenges your child to use their addition and multiplication skills to win a race!

This activity will put those Halloween treats to good use by using candy corn to help your child with her subtraction skills.

This Halloween math activity book is a whole lot of fun.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Here's a math activity that uses coin riddles to help your third-grader improve his coin-counting and logical thinking skills.