This science fair project idea examines the reason boats are shaped and engineered.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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.

Teach your preschooler some physics that she can relate to with this fun and simple activity!

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Science fair project that demonstrates how stalagmites and stalactites are formed.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Help your middle schooler improve his observation skills by playing this simple observation and spatial memorization game.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Make sourdough bread...and learn some colonial history and modern science in the process!

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

Help your child add some flair to the family garden with pencil pinwheels!

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.