Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

This science fair project idea explores whether color affects a person's emotional state.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

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

In this activity, your child will be challenged to make a tower using paper cups.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Learn how different types of soil affect how animal tracks form in this experiment!

Do you think heat can affect a plant's growth rate?

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

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

In this design challenge, your child will make a bottle rocket using typical household items.