Adaptation Of The Primate Hand Kids Activity Plan Template - The Opposable Thumb
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2Adaptation of the Primate Hand: The Opposable Thumb
Experimental Question:
How does the opposable thumbs adaptation help humans?
Hypothosis:
Materials:
Masking tape, paper, pen/pencil, shirt with buttons, scissors, textbook, zip-lock bag,
student supplied items
tweezers, bean, graph paper, and a watch with a second hand or a timer (
)
Procedure:
Perform each of the following activities with your ‘normal hands’ and have your partner
time how long it takes to do each of them in seconds.
1. pick up a single piece of paper and fold it in half twice
2. pick up a pen or pencil from the table top and use it to write your name on the paper
3. put on the dress shirt and button two buttons
4. unbutton the same two buttons and take off the shirt
5. cut a circle out of a piece of paper using scissors
6. pick up all the scraps from the previous activity and throw them into the recycling box
7. write the numbers 1 through 10
8. find page 55 of a text book and open the book all the way to that page
9. close a zip-lock bag
10. use the tweezers to pick up a bean
2. Using masking tape, have your partner tape each of your thumbs to its adjacent index finger and the
palm of your hand so that no thumb is visible when viewed from the top of your hand.
3. After your thumbs are securely taped, complete each of the activities again. Have your partner time
how long it takes to do each. If an activity takes longer than 4 minutes, record the word "unsuccessful"
on the data table.
Data:
Action Performed
Time (sec) with thumb
Time (sec) without thumb
person 1
person 2
person 1
person 2
1. Fold paper twice
2. Write your name
3. Button 2 buttons
4. Unbutton 2 buttons
5. Cut out paper circle
6. Throw away paper
scraps
7. Write numbers 1-10
8. Find page 55 in
textbook
9. Close a zip-lock bag
10. Pick up a bean with
tweezers
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