This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Use the holiday gift giving season as an excuse to give your fourth grader a valuable lesson in making and keeping a budget!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.