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

This Where the Wild Things Are costume will make your little wild thing look just like Max. This Where the Wild Things Are costume is surprisingly easy to make.

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.

Try a fun Mother's Day game for moms and kids to play together!

Help your child create her very own invention just like Leonardo da Vinci as she develops her critical thinking skills and lets her imagination soar!

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.

Help your child keep track of his pledges to be more environmentally friendly with a calendar made entirely out of recycled and reused materials!

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

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

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.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

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?

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

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.

In this design challenge, your child will create a parachute for a small toy using typical household items.

This game will help build your child's word bank as she competes with family members for the "Word of the Day" champion title.

Here are some kindergarten readiness activities that you can do with reused plastic bottle caps.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.