University of Calgary
University of Calgary: Parts of Speech Conjunctions
Nice website that offers an explanation of coordinating, subordinating, and correlative conjunctions, along with examples of usage and an interactive quiz.
University of Manchester
Children's University of Manchester: What Are Nouns?
In these interactive lessons you can learn all about different types of nouns including common, proper, concrete, abstract, count, non-count, and collective. Then play a noun game and take a quiz to show what you have learned.
Online Writing Lab at Purdue University
Purdue University Owl: Count and Noncount Nouns: Exercises
Print out these five exercises covering countable and noncountable nouns. Link to answers provided.