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

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

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.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Here's a simple, fun activity which will save you time and reinforce your child's math skills along the way.

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

Create a compass rose from sidewalk chalk in this summer geography project!

Enhance fourth-grade measurement making skills and social studies learning with this stitching project.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This activity with add some fun and education to long car trips. Perfect for family vacations!

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.