Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

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:

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

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

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!

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

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.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Make this delicious warm apple bread for Hanukkah.

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

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

Have your child construct his own Christmas tree from construction paper while cutting, overlapping and measuring to create an adorable modern design.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

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

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

Let your preschooler create something cute while making something delicious to eat: create bread sculptures, or shapes of bread dough!

Science fair project that cultivates slime mold and monitors the stages of its development.