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.

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.

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!

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.

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.

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

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.

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!

Okay, engaging in a graphing activity may sound ho-hum, but if you use fun data, it changes the picture entirely.

This footwear-focused activity introduces fractions as part of a set and it's the perfect way to generate excitement about fraction concepts.

In this matching activity, your kid will match the clock faces representing analog time with the numeric readings representing digital time.

Help cement the concept of place value with this simple activity that involves creating a set of dials made from Styrofoam cups.

With this fun craft activity, your child can design and "make" his own money, for use as currency and math practice at home.

Money is a difficult concept to grasp. Help your kid get the hang of it with this pocket change triple Venn diagram activity.

This activity is a great starting point for practicing mental math because it is quick, easy and involves only simple addition facts.

Getting kids to memorize their times tables can be worse than pulling teeth. Sweeten the deal with this activity that combines math and sugar.

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Play a math logic and critical thinking game using a deck of cards. Use addition, subtraction, multiplication, and division in this fun activity.