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.

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

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.

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!

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

Teach your fifth grader an important math concept with this quick and simple activity that shows them how to divide whole numbers by fractions.

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

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.

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

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

Make math fun and easy with this activity that challenges your child to use their addition and multiplication skills to win a race!

Turn any sunny summer day into a fun and special occasion by having a watermelon seed spitting contest!

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

Explore the math concept of probability with your fifth grader on "lucky" St. Patrick's day this year!

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

Increase your child's confidence in interpreting bar graphs and throw a little candy into the mix to sweeten the learning process.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Competitors go head-to-head only this time it's a race to figure out the lowest common multiple of two numbers; an important step to working with fractions!

Try a new approach to working with variables and equations by playing this tic-tac-toe game with your math student.

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.

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

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

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

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.

If it's Easter, it must be time for egg hunts. But we have to admit, most kids would rather take a bite out of a yummy cupcake than a hard-boiled egg.

For a fun activity that takes the dull out of decimals, show you child how to gain a better understanding of decimals...as dollar amounts!

Draw your own beautiful mandala with this easy technique that ensures symmetrical results every time!

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