Freedom of the press was seen as a right so important that the Founding Fathers listed it as part of the first amendment to the United States Constitution. Americans pride themselves on this freedom, but just how free are American...

Young learners rewrite sentences using reported and direct speech, put sentences in order, and more. A total of four activities are completed. Note: this is an on-line, interactive worksheet.

Find your way around using vectors. Scholars use an interactive to learn about vector addition. They answer a set of questions about modeling a route on a map using vectors.

Arsenic in drinking water is a common problem in third world countries. Young chemists create a procedure to calculate the mass percent of arsenic in the soil. The virtual lab allows individuals to experiment with different methods.

In this ESL grammar revision and practice worksheet, students complete activities choosing correct prepositions of time, active and passive voice verbs, and comparatives, complete reported speech and "say/tell" activities and correct...

In this sentence completion worksheet, students fill in the blank for the correct word for each sentence. Students complete 10 multiple choice questions. Click on "show all" to see the rest of the worksheet.

In this online interactive English skills activity, learners respond to 45 fill in the blank and multiple choice questions about verb tenses. Students may submit their answers to be scored.