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.

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

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

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.

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

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.

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

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

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!

Exponents can be tricky to learn. Fortunately this game provides plenty of multiplication practice for your math student!

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

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

Is your child struggling to remember the rules of place value? Here's a fun series of hands-on activities to help your child put the value in place value!

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

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

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

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

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

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.

This activity with add some fun and education to long car trips. Perfect for family vacations!

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!

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

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.

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.