Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

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

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!

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

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

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!

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

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

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

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

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

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

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

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

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

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

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

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.

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

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.

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.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

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

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.

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.

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