Appendix P

Below is an online lesson critique I wrote in EDU 542.  I fully evaluated online lesson plans regarding a topic I currently teach in science.  I was able to evaluate the effectiveness of these plans to determine if I should utilize them in my classroom. This critique shows my understanding of the following elements from the NETS-T, CTTC, and CCCT.

NETS-T I.a, II.c, II.d, II.e, V.a, V.b

CTTC I.c, II.a, II.d

CCCT 1.1, 2.4, 3.3

 

Robert H. Ives, Jr.

Online Lesson Critique Two

EDU 542

6/12/06

Available at http://www.eduref.org/cgi-bin/printlessons.cgi/Virtual/Lessons/Science/Physics/PHS0063.html, is a science lesson on visible light that’s appropriate for the fifth or sixth grade level.  This science lesson addresses the properties of visible light, and the relationship between the absorption of light and how that absorption relates to the heat of an object. This lesson addresses National content standard B, which states: As a result of their activities in grades 5-8, all students should develop an understanding of: Properties and changes of properties in matter; motions and forces; transfer of energy. This lesson also addresses Connecticut standard 5.2 – Perceiving and responding to information about the environment is critical to the survival of organisms. 

This “inquiry-based” lesson involves an activity that allows students to discover the effects of different material colors on the transfer of light to heat.  When students enter the room, they have prisms sitting on their desks.  The teacher shows the students how to hold the prisms so that white light is divided into colors.  The teachers then reviews the colors of the light spectrum, which is taught previous to this lesson.  After this review, students are informed of the day’s objectives.  They are as follows: a. define visible light; conduct a light absorption experiment; chart the data gathered during the experiment; draw some conclusions about light absorption based on the data gathered during the experiment.  Students then participate in a class discussion about light absorption and light reflection, as well as how each relates to the temperature of an object.  Then the class is divided into groups of five, and they conduct the light absorption experiment.  The students lay thermometers on a counter under different colored pieces of construction paper.  After this initial setup, students return to their desks for whole class discussion.  Students then make predictions about the results for each colored piece of paper.  These whole class discussions are recorded on the board.  They then return to their groups to read the thermometers and record the temperature data on notebook paper.  They then enter this information into a computer spreadsheet, and create a graph of their choosing to display the data.  The groups then share their results and compare them to the predictions they made as a class.  They should then draw conclusions about how color affects light absorption.  They conclude the lesson by writing a few lines in their journals stating what they learned for the day. 

Science literacy is strongly addressed in this lesson.  Scientific literacy includes speaking, listening, presenting, interpreting, reading and writing about science.  Students must verbally make predictions, and listen to the predictions of others.  They must interpret their results to draw conclusions about light absorption.  They also use technology to present their results to others.

This lesson is very inquiry-based.  Students are searching out, describing, explaining and predicting natural phenomena. This lesson makes good use of the scientific method.  Students make predictions about the results of their experiment. To improve this lesson, I would have students formally develop hypotheses in accordance to these predictions.  By using correct terminology in regards to the scientific method, students will improve their science literacy.  To make this lesson even more inquiry-based, teachers could also allow students to come up with the questions themselves, rather than providing the question to them.  I like the connections to math and technology.  Students record data in a spreadsheet, choose an effective graph type, and use technology to graph their results.  This serves as a great way to report data, and makes a real world connection between math and science.