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!

Counting with one-to-one correspondence is an important kindergarten math skill. This simple activity turns it into a play-anywhere game.

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.

Sorting objects by size, color, shape, or function is an important concept in kindergarten math, and it's the perfect excuse for a little housekeeping!

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.

Challenge your kindergartener to finding out if a coin toss is really fair by conducting this coin toss experiment.

Help your child stay physically and mentally active with this group aerobic fitness game that's good for the heart and mind alike.

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

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!

In this activity, your child will develop her sensory awareness and build important math skills while having fun outdoors.

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.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

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.

This simple bookmaking activity will introduce and reinforce alphabet and number recognition skills that have been taught at home or learned in preschool.

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.