Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Use a dichotomous key to identify plants or animals.

In this cool science experiment, test and compare the adhesive holding strength of homemade casein glue versus commercial glue.

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

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

The objective of this science fair project is to understand the effects of multitasking on the quality of work that is produced.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

This science project idea's objective is to understand how TV mysteries change expectations of mystery stories.

Word color association is just a fancy way to talk about the way we connect colors with words.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

This science fair project idea discovers the principle of conservation of mass.

This science fair project examines whether ocean water can be made safe to drink.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

This science fair project idea determines if the color of light affects the growth of plants.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Learn about emulsification and bile's roles in digestion, and investigate how the digestive enzyme lipase breaks down lipids.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?