Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Your child will be cheering for 8s and 9s as she tries to create a larger number than her competitors. Whoever ends up with the largest number wins!

Here's a hands-on way to help your child understand how common fractions can be equivalent.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

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.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Use familiar household items and decorations to turn estimation into a fun game!

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.

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Playing a tactile game with multiplication will help your child get a better grasp of basic math concepts and transform your kid into a master multiplier.

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

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.

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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

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

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This is a great game to help your child learn number concepts in multiplication and division.

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.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Turn any sunny summer day into a fun and special occasion by having a watermelon seed spitting contest!

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Graph are a great way to organize information. Your child will get to practice graphing by creating a bar graph and a pictorial graph of her friend's names.

These sparkling earrings look fancy but they're super simple to make using inexpensive craft items.

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