Look Who’s Talking (1989)
 
Concept featured in clip: Fertilization; cellular structure and function
Location of clip:

VHS: introductory scene of film
DVD: Chapter 1

Summary of clip: The clip shows the sperm finding its way to the egg inside a woman’s body.

Caution: Make sure the class is mature enough to view this clip. The movie puts voices to the sperm and the egg, which tries to add humor, but may not be appropriate for some students.
Connection of flickclip to the concept: This clip shows the mobility of sperm during fertilization. It also gives students a sense of what an egg and sperm actually look like.
Suggestions to teachers:
1. Suggested questions for students when viewing the clip:

a. What is taking place in this sequence?

b. What can you tell about the structure and function of sperm from observing them?

c. What cellular organelle must be far more prevalent in the sperm than the egg? Why? (Mitochondria)

d. What are some of the obstacles the sperm must overcome?

e. Why do you think millions of sperm must surround the egg in order for just one sperm to penetrate it?

f. What are the differences and similarities between the sperm and the egg?

2. In order to address the National Science Education Standard of unifying concepts, have the students debate the following:

Do you think the structure of the sperm evolved first and then its function followed? OR do you think the necessity of what the sperm needs to do drove its structure? (In other words, which came first – the tadpole like structure of the sperm OR the need to fertilize the egg, so an efficient swimming cell was created to get the job done?)

3. For a potential learning cycle Elaborate , you could have the students create an invention that would enhance sperm and/or egg functioning. The invention must be realistic and address cellular processes and organelles.


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