This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!