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

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.

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

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

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.

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.

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

What's your problem? I'll show you my math if you show me yours! Critical thinking and computation skills are the focus of this strategic math card game.

Help your child improve his coin counting skills in these two math games that have him race to reach $1.00.

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

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

This kinesthetic game will help your child practice rounding and get the adrenaline rushing!

This project tests the hypothesis that dark colors absorb more heat than light colors.

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

Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

Expand on your childâs time-telling skills by helping him learn how an analog clock and a digital clock correspond.

Calling all power-shoppers! This game is a fun way for kids to learn life skills, and flex their math muscles at the same time.

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

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.

This fun math card game is a great opportunity to discuss probability with your third grader.

Help your child apply his math skills the next time you cook a family meal similar to one you'd buy at a restaurant.

Create a graph based on the interests of family member's to see who has what in common. Your child will practice her math skills and get to know the family!

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!