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Educator Resources

Class Discussion

Establish Prior Knowledge

Tell students they are going to do a little experiment. Divide the class into two groups. With groups facing each other call on one group to make facial expressions that express fear. Then call on the second group to make facial expressions that express disgust. Call on members of each group to discuss how the expressions on the faces of the other team were alike. Tell students that in the snapshot they are about to see, researchers are studying the universality of facial expressions and whether or not they affect sensory functions.


Have students view the snapshot and read the synopsis. Use the following questions to guide a class discussion.

1. Researchers suggest that facial expressions such as disgust and fear are universal. What does that suggest?
2. What did researchers find when a facial expression changed from fear to disgust?
3. How did the different expressions affect breath and sight?
4. What do researchers theorize about the face of fear?
5. What do they theorize about the face of disgust?

Wrap up

6. What conclusion did researchers reach from the data they collected? Do you agree with their findings?