Discusses what synonyms and antonyms are, how to use them properly when writing formally and informally, and how to create antonyms using prefixes and suffixes.
Provides an introduction to the grammar rules and word usage of conjuctions, discussing independent clauses, subordinating conjunctions, and correlative conjunctions.
Introduces young readers to revolutionary inventions and emphasizes the impact the inventions had upon life at the time of their creation and beyond, exploring the inventions' cultural significance and the patterns of change that resulted.