Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

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

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

Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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

This Pysanky egg-decorating activity is perfect for young artists. Bring a little color and creativity to any holiday with this traditional Ukrainian craft.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

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.

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

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