What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

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 studies past and current fads and trends.

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.

Test the combustion of different types of woods.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!