Read the passage "Resonance in a Tube" and complete the five-question quiz to test your knowledge of sound.

[Free Registration/Login Required] An informational text that asks the reader to make predictions about the lives of loggerhead sea turtles. A question sheet is available to help students build skills in reading comprehension.

Do you know how to induce an electromotive force? This reference page will help you understand why Faraday's law mean and how to use it.