In this health worksheet, students identify various infectious diseases and explore the available options for stopping or preventing the spread of disease. They participate in a simulation experiment on how to measure and prevent. There...

In this geology worksheet, students locate 26 terms in this worksheet about volcanoes. Answers to the worksheet are available in various formats.

Plants have evolved many clever mechanisms to ensure that their seeds will wait for appropriate conditions before sprouting. Some may only germinate after a fire, others only after going through a cold spell. This project explores one...