This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Here's an interactive, fast-paced game that will make your fifth grader feel more comfortable with simple equations.

Learn to recognize symmetry by playing this game! The more you play, the better you'll get at recognizing this special characteristic many playing cards have.

Figuring out fractions can be a challenge! But with this game your child will become more comfortable converting fractions after only a little practice.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Here's an enjoyable at-home activity that gives your child step-by-step practice identifying the important parts of an article and organizing his ideas.

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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

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 researches how your choice of clothing affect how hot or cool you feel during the day.

Does your fifth grader need a study buddy for geometry? Forget about a tutor. Help him make his own geometry dictionary!

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.

Kids will get a kick out of shopping for discounted "kicks" with this creative math game that focuses on percentages.

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.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

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

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

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Use the holiday gift giving season as an excuse to give your fourth grader a valuable lesson in making and keeping a budget!

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

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

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Toss playing cards into boxes while you practice addition and multiplication with decimals in this fun, fifth grade math game.

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

Here's an innovative math puzzle that you can create with your fourth grade math student.

Create a fun hands-on game to practice long division, using magnetic numbers on a fridge.

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