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

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

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

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

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

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

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

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

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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

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

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 simple experiment serves as an introduction to the greenhouse effect.

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.

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

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

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.