Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

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.

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

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

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.

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.

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

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 simple experiment serves as an introduction to the greenhouse effect.

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

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.