Viewers define viscosity as resistance to flowing and they compare the viscosity of different liquids. Instructions are not provided, but junior scientists design an experiment to test different liquids and order them from low to...

Second graders discover that everything is made of matter. they determine the properties of liquids and that like solids, liquids can be grouped or classified according to properties or qualities. they assess that solids have a definite...

[Free Registration/Login may be required to access all resource tools.] Explains how to describe matter in the solid state, about the properties of liquid matter and gases, and what the relationship between energy and states of matter is.