Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

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

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

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

This project concerns activity happening millions of miles away, on the sun.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

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

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.

Find the area in this fun math card game. You'll help your child start thinking in terms of units as you create shapes out of playing cards.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

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

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

This science fair project idea deals with the qualities of shade on a sunny day.

Practice math and social studies skills with this fun game based on the Battle of Lexington and Concord.

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

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

In this activity, students build a house of sticks, just like the second little pig in the classic story, The Three Little Pigs. Then, they program an educational robot to push down the house, much like the wolf who “blows the house down.”

Help cement the concept of place value with this simple activity that involves creating a set of dials made from Styrofoam cups.

Bring some winter fun into your home while your child practices her number matching skills with this adorable snowman math game.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

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.

Check out this simple version of a pairs game that's played all over the world. It's a great way to practice estimating and predicting mathematical outcomes.

This experiment will explore the best way to create a perfect soft-boiled egg.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

Take math off the page and into the real world. This simple game gives kindergarten kids hands-on practice with basic addition.