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

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

In this science fair project, young children notice and track changes in trees throughout the year.

Make an edible play dough with your child to help her develop her sensory and motor skills.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

This experiment will explore if a randomly iterated algorithm will result in a pattern.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

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

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Create a self-portrait from natural materials in this collage craft activity!

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

In this math and science activity, help your middleschooler learn about proportion and measurement with just her shadow and a tape measure!

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.