Ch 26: Work & Power - ORELA Middle Grades General Science

About This Chapter

Explore short video lessons to refresh your understanding of work and power as you study for the ORELA Middle Grades General Science assessment. Lesson quizzes and a practice exam can reinforce concepts learned in this chapter.

Work & Power: ORELA Middle Grades General Science - Chapter Summary

The ORELA Middle Grades General Science assessment covers concepts often learned over a period of years. To ensure you remember concepts related to work and power and are prepared to answer questions on the exam, watch lessons in this chapter that explore:

  • Defining and identifying types of simple machines
  • Analyzing the basic mechanics of pulleys
  • Examining mechanical energy conservation topics
  • Understanding the meaning of power and its relationship to mathematics

Each lesson gives you insight you can only gain from expert instructors. Explore the videos in any sequence from your computer or mobile device to ensure you're able to absorb the materials at a comfortable pace.

Work & Power: ORELA Middle Grades General Science Objectives

The lessons in this chapter on work and power explore topics that are found in the physical science content domain of the ORELA Middle Grades General Science assessment, which constitutes approximately 31% of the total test. Successfully answering questions in this section gets you closer to earning a passing score of 228 or higher and securing the licensure you need to teach general science in the Oregon middle grades classroom.

The computer-based assessment consists of 150 multiple-choice questions. You can take lesson quizzes in this chapter to get practice with questions similar in format and content to those on the exam. If you answer any question incorrectly, simply click the link next to the corresponding answer to revisit the related topic in the video lesson. You can also take a practice exam to reinforce concepts learned in the lessons.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

Earning College Credit

Did you know… We have over 160 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

Not sure what college you want to attend yet? has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.

Other Chapters

Other chapters within the ORELA Middle Grades General Science: Practice & Study Guide course