This is a quiz called cow eye dissection and was created by member avantitreasures787. Michigan grade level content expectations, science v. Fetal pig diagram labeled worksheets to complete w dissectio. Students identify parts of the eye and their functions through participating in a cows eye dissection lab. Click watch online answer the questions as you watch each video. Mar 22, 2015 the cow eye dissection is a great lesson to use as part of your unit on the nervous system and the five senses. What is the shiny structure on the choroid at the back of the cows eyeball. Cow eye with answers cow eye dissection can you read this. This shows that our eye accepts more light because the more circular the eye is, the more it lets light enter. The worksheet follows along with this dissection in written form and is followed by lab questions.
The cow eye dissection is a great lesson to use as part of your unit on the nervous system and the five senses. Students discover the anatomy of a human body by dissecting a cows eye. It protects the inside of the eye from dust and dirt. Flip the eye over to find the optic nerve where it exits out the back of the eye.
Eye dissection presentation aim to successfully carry out an eye dissection on a cows eye and be able to identify different parts of it. If the vitreous humor is still in the eyeball, empty it out. Puncture the cornea with scissors or a scalpel, aqueous liquid should leak out. This lesson plan describes the cow eye dissection in detail. They investigate vision problems and diseases, focusing on their causes. The gelatinous fluid inside is the vitreous humor, the lens sits within this liquid.
Virtual cows eye dissection computer lesson plans for tired. Find cow eye dissection lesson plans and teaching resources. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Dissect a real cow eye to investigate the inner workings of eyes. Cow eye dissection guidelines and directions when working with the 2nd grade, we will need to follow proper lab procedures. In order to complete this activity, click on the icon below and complete the activities presented there. Do it carefully because you dont want to damage the eye. It is designed to supplement a real dissection or used for students who cannot complete the laboratory experience. In this lab, we set out to dissect a cows eye and identify the different parts of the eye. I remember doing the cow eye dissection back in high school, and it helped immensely when it came to exam time.
Using diagrams and clayplaydoh, students can create a. Science biology digestive system the components and functions of the digestive system. Students watch and record the process of dissecting a cows eye online. The structures have certain functions and together, they form images that are interpreted by the brain. From there, i direct students to eye dissection page 1 and begin to work through the page with the students. This wiki will be created by students from magee secondary school with the help of their science teacher, mr.
Whenever you handle raw meat whether its a cows eye or a steak, you wash. Match the following parts of the eye to their function. Teachers should exercise discretion in evaluating whether this resource is suitable for their class. Record 3 observations you made when you examined the surface of the eye. The white part of the eye, the sclera, is a tough, outer covering. After the cornea has been removed the eye should have a hole showing its contents so now remove all of the parts like the lens, retina and more in there and put them on your plate. My friends always say they will each put in 100 300 dollars to give to some one who eats a part of the eye. Human eye anatomy parts of the eye explained bluetooth electronics consumer electronics classified cow eye dissection worksheet answers keep in mind, you may only able to delete the worksheet and you arent able to restore it anymore, t. What are the two differences between a cows eye and a human eye. This step by step guide shows the dissection of a cow eye in images. I read the steps with the students and we complete the dissection together as a class. Through a guided dissection experience, students gain an appreciation for the. In your cows eye, the cornea may be cloudy or blue in color.
Examining the cow eye can help students understand how their own eyes work. Then open the munn folder and click on 25 cow s eye dissection. Examining structure and function download pdf use this simple, engaging dissection to teach your students about the eye s structures and their functions. Cows eye dissection eye diagram cow eyes, human anatomy. Ninth grade lesson exploring the anatomy and physiology of the eye. Preserved cows eye forceps dissection probes dissection scissors dissection tray vinyl or latex gloves apron or teeshirt paper towels plastic trash bag external features of the eye a. There are several different ways you can use this lesson in the classroom. Learn the external and internal anatomy of a cows eye with full size printable pdfs. After the cornea has been removed the eye should have a hole showing it s contents so now remove all of the parts like the lens, retina and more in there and put them on your plate.
Students will be able to make connections to eye structure through this handson exploration. This interactive activity adapted from the exploratorium delves into the structure and function of the vertebrate eye. The mammalian eye consists of many specialized cells and tissues that make up several different structures. Step 1 gather all equipment includes safety equipment and wear. Perform cow eye dissection with hsts science project guide. Cow eye dissection video tutorial and lab worksheet by. Traveling science workshop have lsc or a local science museum come to your school to conduct the lesson with your students. They dissect cow eyes to show the functions similar to a human eye.
Cow s eye dissection eye diagram human anatomy head and neck muscles fn muscles neck lateral human anatomy charts human anatomy chart eye anatomy anatomy study animal anatomy human eye diagram diagram of the eye anatomy and physiology quiz human anatomy picture cow eyes. Draw human eyes eye anatomy find out why the human eye has been called the most complex organ in our body. In this experiment, students will dissect a cows eye to learn the anatomy of the eye, and compare and contrast a cows eye and a human eye. In dissecting the eye, it is important to note the aspect in which the structures are located anterior, posterior, superior, inferior, lateral, medial etc. Fat around the backside of the eye can be left alone. Quizlet flashcards, activities and games help you improve your grades. Cow eye dissection worksheet cow eyes, dissection, eye. On the inside of the back half of the eyeball, you can see some blood. To get to the video we will need for a portion of today, please go to the student drive. A cows eye, like other farm animal organs, is similar to our eyes. One benefit of a cow eye dissection is that by examining the anatomy of a preserved eye, you can learn how your own eye forms images of the world and sends them to your brain.
Cow eye dissection lab lowell middlesex academy charter school. Students watch and record the process of dissecting a cow s eye online. What students learn from dissecting a cows eye education. Jun 09, 2008 science class, dissecting cows eye, would eating a part of it make you sick. The cow eye is a fantastic specimen for students of all ages to dissect. This dissection can be fairly tricky as the parts can be easily mangled or lost. Tell three observations you made when you examined the surface of the eye. May 09, 2009 cow eye dissection answer some questions. Apr 21, 2017 web publishing information the html comments in this page contain the configurationinformation that allows users to edit pages in your web using the microsoft web publishing wizard or programs which use the microsoft web publishing wizard such as frontpad using the same username and password they would use if they were authoring with microsoft frontpage. The lens of the cows eye feels soft on the outside and hard in the middle.
Cow eye dissection is popular because of how similar a cows eye is to the human eye. Cow eye dissection is popular because of how similar a cow s eye is to the human eye. Once the students have their aprons and goggles on in the lab, i give each group a cow eye. Lab 11 eye dissection human biology lab 11 cow eye. A cows eye and a humans eye are essentally the same. Below is a diagram of the parts of a cows eye and the step by step directions of how we will dissect the eyes in class. The book also describes rods and cones, and shows a picture of the eye structure.
Dissecting a cows eye is a high school laboratory activity that demonstrates concepts in biology, physics, anatomy and physiology. Peel back the rena in order to see the choroid results. The purpose is to learn the different parts of the eye, using a handson approach. It is especially complex, combining a number or tissues and specialized structures that allow us to process visual images. In the cows eye, under the cornea, you would find the iris which is an oval shape. Cow eye dissection teachers guide the biology corner. As i sat down to watch the dissection i was preparing myself for the worst. Label the cow eye use your book or other resources related documents. My 7th grade homeschooled students enjoyed it greatly l.
The ninthgrade biology class performed a pig dissection on may ninth grade, biology. Follow a videotaped dissection of a cow eye and then compare and contrast what youve seen with an interactive diagram of the human eye. Learn cow eye dissection with free interactive flashcards. Anyone can read from a textbook and look at diagrams, but many people find it more beneficial when they use a tactile approach. Colored ring of muscle that changes the size of the pupil.
The purpose of conducting the dissection of the cow eye. The structures are clear, dissection easy to accomplish and usually kids enjoy the lab. If the pdf does not display below, you may also download it here. This year, we wanted the students to dissect a sheep brain and didnt want to use a preserved specimen. Eyes are complex organs with highly specialized parts that are used by organisms to. Cow eye dissection lab lowell middlesex academy charter. Very good website with many key features of pig dissection. My students then reference the video as they are doing the dissection. Cows eye dissection page 7 under the retina, the back of the eye is covered with shiny, bluegreen stuff. The cow eye dissection lab what are the structures of the mammalian eye and how do they function. Compare and contrast structure and function of the ciliary body and iris. B if your budget does not allow for each student to conduct a cows eye dissection, then divide students into groups or conduct the dissection as a demonstration. Our 7th grade team is revamping the science curriculum to include more dissections.
Teachers guide for dissecting a cow or a sheep eye. In a living organism, it is completely transparent. Eye dissection presentation aim to successfully carry out an eye dissection on a cow s eye and be able to identify different parts of it. In the cow eye it is opaque because of the preservative, but in life it is crystal clear because of a unique arrangement of proteins.
Play this quiz called cow eye dissection and show off your skills. The lens of the cows eye like the lens of your eye is shaped like the lens of a magnifying glass. In this lesson, students learn to identify the locale and function of the eyes. Procedure to be able to write a report on the findings of the dissection. When someone pokes you in the eye, they are touching your cornea. Contains detailed instructions, with tips for any grade level.
Choose from 500 different sets of cow eye dissection flashcards on quizlet. Cut away the fat and muscle, this may only be necessary if fat is covering the cornea of the eye and is in your way. Biology classroom teaching biology biology teacher ap biology science biology science education life science biology lessons cell biology. This step by step tutorial is perfect to show students before they actually dissect. Cows eye dissection page 6 now take a look at the rest of the eye. I ask the students to look at the back of their eye dissection worksheet while i finish handing out the eyes. In this animal dissection lesson, students identify the structure of an eyeball by cutting open a cow eye and observing the insides. Anatomy of the eye and ear coloring answer key better solar. Youll be using a scalpel or a razor to cut the cows eye. What happens to one of those parts when we shift our focus from far away to near. Name the three layers you sliced through when you cut across the top. Have you ever seen a cats eyes shining in the headlights. Use this simple, engaging dissection to teach your students about the eyes. What is one major difference between a cows eye and a humans eye.
252 1573 762 1318 1571 1239 694 452 1386 363 1366 225 943 1097 35 1134 1541 1198 1319 1476 1411 1360 860 504 571 392 347 1270 792 399 78 478 1344 1425 966 812 1413 869 63 1196