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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.

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

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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

Help your child practice multiplication tables with this mental and physical multitasking game that uses a hula hoop to get into the swing of things.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

Topped with roasted pumpkin, prosciutto, herbs, and feta, these pita pizzas are a healthy, seasonal alternative to your classic pie.

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

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

Your kindergartener will learn basic math concepts and create a beautiful keepsake with this African flag reference book.

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

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

Prepare for some scary Halloween counting practice! This game encourages players to knock down cylinders and then add to determine their scores.

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

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.

Defend your cards in this multiplication math game! Your kid will enjoy using strategy to build equations and win points in this activity.

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

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

Kids will get a kick out of shopping for discounted "kicks" with this creative math game that focuses on percentages.

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.

Race to double numbers in this competitive card game. Try one-digit or two-digit numbers, or more!

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

Learning to identify prime numbers can be tricky. But this fun card game can make memorizing some basic prime numbers a breeze.

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

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.