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Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

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

Learn all about balance and motion as your child designs a corn maze!

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

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

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Introduce your child to science with something they see everyday--their shadow!

Help your kindergarten science maven explore the water cycle without getting everything wet.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Using a toy race car kids create a visual model of the Doppler Effect.

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

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

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.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.