Wikis are the most popular Web 2.0 tool being used in science and math classrooms. Based on a survey of readers - 43 percent use them to support their teaching and student learning.
A Wiki is appealing, encourages participation, supports collaboration, and promotes interaction by students who love to use technology.
By the way - this includes most students today!
What is Wallwisher and why use it? Its a Web 2.0 application which allows students to express their thoughts or share information on a science concept.
When word of a natural disaster is spreading from somewhere in the world or announced on the news, students can use Google Earth to conduct an investigation of the disaster's effect.