Interactive web-based quiz testing knowedge of nouns in Portuguese, their endings and genders, by selecting the correct definite article to go with an individual noun to do with nature and the environment.

Interactive web-based quiz testing knowledge of nature vocabulary in Portuguese: animal, bird and reptile species.

Interactive web-based quiz testing knowledge of nature vocabulary in Portuguese by classifying individual animals, birds, insects and fish according to their type.

Web-based interactive multiple-choice exercise in Portuguese testing knowledge of vocuabulary to do with nature: trees, birds, insects, flowers and animals.