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

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

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

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

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

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Practice conversions within the metric system in this fun math card game for third graders.

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

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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?

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

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

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

This project examines how temperature affects the volume of gas in balloons.

Help your preschooler grasp the concept of ordering and sequence while teaching him valuable vocabulary with simple activities around the house.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

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

Combine art, history and food with this unique project! Your child will make her own butters, and learn a little about Colonial history at the same time

Can cells be frozen? This science fair project provides information to answer this question.

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

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.