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A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

How powerful is the reaction between baking soda and vinegar? Find out here!

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

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

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Enjoy this kid-friendly recipe for Irish soda bread, just in time for St. Patrick's Day!

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

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

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This science fair project idea measures physical dexterity as a function of temperature.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

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 examines the actual cost of three household light bulbs by testing energy consumption.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.