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.

Find the area in this fun math card game. You'll help your child start thinking in terms of units as you create shapes out of playing cards.

Add simple fractions in this fun math card game for second graders. This game is very similar to Blackjack, or 21, but it's entirely kid friendly!

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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.

Here's a math activity that uses coin riddles to help your third-grader improve his coin-counting and logical thinking skills.

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!

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

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.