Curated OER
Microscope Online
For this microscope worksheet, students use an on line site to answer questions about the history of the microscope, they view objects and identify what each is, they explore different magnifications of the microscope and they answer...
Curated OER
Astronomy: Prepositions Quiz- ESL
In this preposition quiz worksheet, students select the preposition that correctly completes a sentence. Students may click on an "answer" button for immediate feedback. A reference web site is given for additional activities.