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How powerful is the reaction between baking soda and vinegar? Find out here!

This little chick is so cute that your child will want to make a whole flock to call her own.

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

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.

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

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!

Tackle both boredom and mathematics with this inventive arts and craft project!

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Find the area in this fun math card game. You'll help your child start thinking in terms of units as you create shapes out of playing cards.

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

Help your second grader to a better understanding of how to count and represent money with age old game of tic-tac-toe.

Do you think heat can affect a plant's growth rate?

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.

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.

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

This pyramid card game is a fun way to help your child learn addition and subtraction. Best of all, itâs quick to set up and easy to play.

Sharing can be a challenge, and division doubly so! Practice halving numbers in this competitive card game.

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

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.

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.

This heart print makes the perfect simple and sweet gift for Valentine's Day!

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

Create some cards and a factor board and get ready to practice multiplication. This game will help your kid get one step closer to memorizing times tables!

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

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.