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

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.

This little chick is so cute that your child will want to make a whole flock to call her own.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

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

How powerful is the reaction between baking soda and vinegar? Find out here!

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

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.

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

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

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

This science fair project idea identifies clouds as a means of predicting the weather.

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

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

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.

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!

Make this delicious warm apple bread for Hanukkah.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

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

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Do you think heat can affect a plant's growth rate?

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

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

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

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