This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Remember the classic card game, Go Fish? Here's a fun twist on it that will help your kid learn her the different parts of speech in a fun way!

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

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

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Kindergarteners are expected to master the alphabet. Get your child outside and exercising with this fun, move and shake alphabet game.