For this Christopher Columbus worksheet, students utilize the Internet to access a specific website to find the answers to eight short answer questions associated with the voyages of Christopher Columbus.

Pupilss explore science using technology in this lesson. They manipulate the TI to find important science topics. This activity requires a TI-84 or higher.

Learners observe the effect "El Nino" left on kelp plants and sea urchins. They analyze the data collected by researchers, by graphing it on a TI calculator. Before graphing and analyzing the data, you may want to revisit the events of...