In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Explore the electrical energy present in energy drinks.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

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

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

In this experiment, recycled objects are separated to demonstrate how mixtures are made and the variance in the physical properties of their ingredients.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

In this science fair project, students evaluate test subjects to determine if certain personality traits are more common in frequent users of social media.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Test the placebo effect in different groups of people.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.