Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Analyze this simple betting game with your fourth grade student in order to discuss probability.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

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!

When you're studying the Mayflower, numbers can be an important part of the history...and a great chance to practice elementary math!

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

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Race to double numbers in this competitive card game. Try one-digit or two-digit numbers, or more!

Make fractions easy for your child to understand by incorporating their discussion and practice into meals and cooking that you two participate in together.

Try this fun addition game with your second grader! Arrange playing cards to find the largest possible sums.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This activity will put those Halloween treats to good use by using candy corn to help your child with her subtraction skills.

Topped with roasted pumpkin, prosciutto, herbs, and feta, these pita pizzas are a healthy, seasonal alternative to your classic pie.

Probability can be a tough concept to master. Try playing this fun card game in order to help your third grader understand it a little better.

Your child will be cheering for 8s and 9s as she tries to create a larger number than her competitors. Whoever ends up with the largest number wins!

Learning to identify prime numbers can be tricky. But this fun card game can make memorizing some basic prime numbers a breeze.

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

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

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.

This decimal game is a great way to help your child get familiar with how decimal values work.

Thanksgiving is a time to be with loved ones. It's also a time to chow down! Need help in the kitchen? There's no better helper than an avid fourth grader.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Inspired by the children's book, Charlotte's Web by E.B. White, this card brings the spunky spider Charlotte to life!

Does your second grader want to learn a magic trick? Here is a simple trick using only 3 dice and a little bit of addition and subtraction.