In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Think about the adaptive utility of an important aspect of our physiology.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.

This science fair project determines how age affects the speed that someone can change the focus of their eyes between near and far sightedness.

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

Explore the relationship between personality traits and birth order effects.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

This science fair project idea determines the most effective method of preserving food.

Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

This science fair project idea lets you build your own wind tunnel and tests different models of paper airplane.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science fair project discovers the causes, effects and practical applications of buoyancy and encourages technological advances.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

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.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Learn about the growing app design field by designing a new or improved app for smartphones.