Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

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.

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 study observes plants, insects and an animal living in proximity to a known source of EMF.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

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.

This very physical game gets math off the page and into the real world-- and it works on number sense and estimation, key skills for kindergarten readiness.

This activity spotlights everyone's favorite reindeer, Rudolph, and preserves your child's handprints in his "antlers".

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

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

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

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

Teach your child what a sugar plum is with this easy recipe that gets your child to chop, mix, and roll his way to a delicious treat.

Practice measurement using centimeters in this fun math race designed for your second grade student!

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

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

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

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.

Forget the measuring stick! This fun math activity uses a body part, your child's hand, as a ruler.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!