Curated OER
Density Worksheet
In this chemistry learning exercise, students identify and describe that density is the ratio of the mass of the substance to the volume of the substance at a given temperature. They also respond to various questions that refer to...
Curated OER
Mc Graw Hill: Language: Pronouns
Learn how to use the varying different types of pronouns in this excercise.
Frostburg State University
General Chemistry: Extensive and Intensive Properties
Provides information about extensive and intensive properties of matter. Gives examples of these properties. Includes a link to a quiz on classifying properties.
PBS
Pbs Learning Media: How to Use Intensive Pronouns
Intensive pronouns add needed emphasis to a sentence. While they function similarly to reflexive pronouns, they differ in that the pronoun can be removed without altering the meaning of the sentence. [0:57]
English Club
English Club: Basic Tenses
Notes and examples of verb tense including past, present, future, active, passive, normal, intensive, continuous, perfect, and continuous perfect.