Your classroom has been visited by a giant wookiee. He has left only his hand print on the white board.
Estimate the length of his hand without measuring it.
Based on this make an estimate of the wookiee's:
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The answers will depend on how large the image of the hand print is on your whiteboard. Answers can be generated based on the actual length of the handprint (tip of middle finger to the opposite edge of the print):
Here are the estimates of the size of the wookiee:
The estimates are based on the following statistics of an average man:
Hmmm! How did he get into your classroom?
Note to teacher: This diagram might help explain why a 2 fold increase in dimensions leads to an 8 fold increase in volume.
Teacher, do your students have
access to computers?
Here a concise URL for a version of this page without the comments.
Here is the URL which will take them to a related student activity.