Some molecules move through a membrane with diffusion while others require protein channels. The video and interactive discuss both types of passive transport. Challenge questions allow scholars to demonstrate their understanding.

In this ESL transportation vocabulary learning exercise, students use drop down list and choose the form of transportation shown in a picture, complete a word search puzzle and fill in blanks using correct prepositions.

In this online/interactive verbs instructional activity, students read and complete sentences with the correct forms of present simple or present continuous verbs. Students fill in 11 blanks.

The United States consumes more oil than any other country, and its residents use 50 percent of that for transportation. Scholars match eight fractions of crude oil to their applications. Then, they fill in three logic puzzles reviewing...

How many ways is water used? Indirect and direct water use are the two main ways humans use water, but the usage comes in many forms. Animals, agriculture, industries, transportation, and many more rely on water for different uses....

In this interactive grammar worksheet, students read the 10 sentences which include sets of nouns and identify the proper group noun to use. Students can view the answers from the drop down menu.

In this word groups worksheet, learners decide which category the group of words they are given fit in to. Students complete 10 problems total.

In this global warming quiz worksheet, students compete a set of 12 multiple choice questions. Page contains a links to answers and additional activities.

In this online interactive English vocabulary skills worksheet, students answer 10 matching questions which require them to fill in the blanks in 10 sentences. Students may submit their answers to be scored.

In this online interactive reading comprehension worksheet, students respond to 15 multiple choice questions about Albert Camus's The Plague. Students may submit their answers to be scored.

In this online interactive English vocabulary skills worksheet, students answer 10 matching questions which require them to fill in the blanks in 10 sentences. Students may submit their answers to be scored.

Informative, fun, and humorous tutorial that uses cartoon characters to provide an introduction to information technology. The tutorial covers operating systems/desktops, email, the world wide web, and networks.