Challenge your learner to design and build a city of their own in this creative engineering activity.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea investigates the hardness property of minerals.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project idea demonstrates that plants give off water.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This science fair project will help students learn about non-vascular plants, such as mosses.

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.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This science fair project idea explores the egg's thin membrane.

This science fair project idea determines what household items are good conductors of electricity.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.