Showing Results for for good measure : Page 9

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.