Curated OER
Density Worksheet
In this chemistry worksheet, students identify and describe that density is the ratio of the mass of the substance to the volume of the substance at a given temperature. They also respond to various questions that refer to density in...
Curated OER
Uses of Pumice
In this pumice learning exercise, students read about how pumice if formed and the different uses of pumice. Then students complete 4 short answer questions
Curated OER
A Visit to Southern Africa - Volcano
Learners examine a cookie that represents pumice and lava in order to realize that lava is a composite of many rock particles. They compare and contrast pumice to the cookie by estimating, weighing, measuring and dissecting the cookie...