This slideshow gives a detailed explanation of the characteristics of statistical questions and how they differ from other types of questions, the types of studies, and the methods for collecting data. It describes the case of Clever...

Most of the flavoring in gum is due to the sugar or other sweetener it contains. As gum is chewed, the sugar dissolves and is swallowed. After a piece of gum loses its flavor, it can be left to dry at room temperature and then the...

Short article on a experimental air breathing rocket engine.

Students conduct a simple test to determine how many drops of each of three liquids can be placed on a penny before spilling over. The three liquids are water, rubbing alcohol, and vegetable oil; because of their different surface...

This science fair project for Science Buddies lets you be the rocket scientist. See how the rocket design changes its performance. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and...

This online text explains what generalizability and transferability are and their importance in research methodology. Their applications in different types of experimental contexts and designs are also explored.