Students quantify the percent of light reflected from solutions containing varying concentrations of red dye using LEGO MINDSTORMS NXT bricks and light sensors. They begin by analyzing a set of standard solutions with known...

Students study the physical properties of different fluids and investigate the relationship between the viscosities of liquid and how fast they flow through a confined area. Student groups conduct a brief experiment in which they...

[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will define a mixture and understand why mixtures are different than pure substances. They will classify mixtures as homogeneous or...