PBS
Science Fundamentals: Compounds!
Hydrogen and oxygen form compounds that are both necessary for life and poisonous. Learn how this is possible in a video presentation all about compounds. The informative lesson describes how compounds form and gives an in-depth analysis...
Imagine Learning Classroom
Learn Zillion: Maintain a Formal Writing Style
Writers adjust the style of their writing to make it appropriate for a particular audience. Here students practice writing in a formal style by using language that is appropriate for an academic audience. [6:53]
Sophia Learning
Sophia: Describing Style
This tutorial focuses on describing an author's style. It explains the five main elements constituting style: syntax, diction, punctuation, sensory details, and literary/rhetorical devices. It lists nine common writing styles and gives...
Other
Ezine: Formal vs Informal Writing: What's the Difference and When to Use Them
Before you start writing any article, one of the first things you need to ask yourself is "Who's my audience?" Answering this question will help you decide if you should use a formal writing style or an informal writing style. [2:52]