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

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

Heart math is a great way to celebrate Valentine's Day and familiarize your advanced preschooler with the concept of adding numbers.

If you're looking for a fun way to have your child gain practice pattern-making while working out fine motor skills, making Washi eggs is the perfect activity.

Master reading numbers aloud with your first grader in this math card game.

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.

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!

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Help your little builder move up in the world with this recycled cardboard castle that's just the right size for a young king and his loyal stuffed subjects.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Make this delicious warm apple bread for Hanukkah.

Play multiplication war, a fun card game, with your child and before long those annoying multiplication facts will be part of her mathematical skill set.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This fun math game will help develop your child's counting skills and number recognition skills.

Okay, identifying place value isn't as fun as eating ice cream, but with a few index cards and a competitive spirit, it can be disguised a game!

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

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

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.

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

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

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

This activity is a great way to practice sorting, counting, matching, and other early math skills--- on the fly.

Recycle old materials to create a fun, brain-teasing maze toy that also strengthens your child's math reasoning skills.

This competitive inequalities card game is a great way to help your child understand the connection between numerals and the values they represent.

Playing the Number Sentence Game with your child gives him the opportunity to practice ordering and comparing numbers using symbols.