Ch 25: Sight, Hearing & Other Senses: Help and Review

About This Chapter

The Sight, Hearing, and Other Senses chapter of this Middle School Life Science Help and Review course is the simplest way to understand sight, hearing, and other senses. This chapter uses simple and fun videos that are about five minutes long, plus lesson quizzes and a chapter exam to ensure students learn the essentials of sight, hearing, and other senses.

Who's it for?

Anyone who needs help learning or mastering middle school life science material will benefit from taking this course. There is no faster or easier way to learn middle school life science. Among those who would benefit are:

  • Students who have fallen behind in understanding workings of the eye, ear, nose, tongue and skin
  • Students who struggle with learning disabilities or learning differences, including autism and ADHD
  • Students who prefer multiple ways of learning science (visual or auditory)
  • Students who have missed class time and need to catch up
  • Students who need an efficient way to learn about sight, hearing, and other senses
  • Students who struggle to understand their teachers
  • Students who attend schools without extra science learning resources

How it works:

  • Find videos in our course that cover what you need to learn or review.
  • Press play and watch the video lesson.
  • Refer to the video transcripts to reinforce your learning.
  • Test your understanding of each lesson with short quizzes.
  • Verify you're ready by completing the Sight, Hearing, and Other Senses chapter exam.

Why it works:

  • Study Efficiently: Skip what you know, review what you don't.
  • Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
  • Be Ready on Test Day: Use the Sight, Hearing, and Other Senses chapter exam to be prepared.
  • Get Extra Support: Ask our subject-matter experts any sight, hearing, or other senses question. They're here to help!
  • Study With Flexibility: Watch videos on any web-ready device.

Students will review:

This chapter helps students review the concepts in a sight, hearing, and other senses unit of a standard middle school life science course. Topics covered include:

  • Receptors of the back of the eye
  • Anatomy of the ear's outer structures
  • Relationship of the inner ear to both hearing and balance
  • Structures and functions of the middle ear
  • Smell, taste and touch

7 Lessons in Chapter 25: Sight, Hearing & Other Senses: Help and Review
Test your knowledge with a 30-question chapter practice test
The Eye and Eyesight: Large Structures

1. The Eye and Eyesight: Large Structures

Would you be able to see anything without a lens in your eye? Does the lens change shape? Does the iris? What structure gives you your eye color? Find out all of this and about things like the ciliary muscles and the cornea as we delve into this lesson.

Receptors of the Back of the Eye: Retina, Rods, Cones & Fovea

2. Receptors of the Back of the Eye: Retina, Rods, Cones & Fovea

Find out how we see the world in color, what rods and cones are, and how camera film fits into all of this. In addition, you'll find out what the retina is and what gives you the ability to see at night.

How Receptors of the Eye Conduct Information via the Optic Nerve

3. How Receptors of the Eye Conduct Information via the Optic Nerve

You will learn how your eyes are able to see the image in front of you thanks to special cells called photoreceptors. In addition, these receptors have very important proteins called rhodopsin and photopsin; and all of these things work together to transmit information to your optic nerve.

Anatomy of the Ear's External Structures

4. Anatomy of the Ear's External Structures

What is the pinna? Is it the same thing as your earlobe? Does the eardrum have anything to do with the tympanic membrane? Find out as we explore all of this and other important structures involved in the sensation of hearing as sound enters your ear.

Cochlear Implants: Pros & Cons

5. Cochlear Implants: Pros & Cons

Cochlear implants are electronic hearing devices that can help restore some levels of hearing to someone who is deaf. As with any medical procedure, there are benefits and drawbacks to them, so read on to learn more.

Semicircular Canals: Function & Definition

6. Semicircular Canals: Function & Definition

In this lesson, we'll explore what the semicircular canals are and how they function to create your body's sense of directional movement and acceleration. When you are through, you can test your understanding with a short quiz.

Misophonia: Definition, Causes, & Treatment

7. Misophonia: Definition, Causes, & Treatment

This lesson goes over a rare condition known commonly as misophonia. You'll learn its definition, what sounds it might involve, how a person reacts, as well as its causes and treatments.

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 200 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.