Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

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

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.