How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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

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.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project idea identifies clouds as a means of predicting the weather.