Strong finger

 Have you ever heard of the need to strengthen our fingers? Some activities require strong fingers. For example, volleyball players, rock climbers or even piano players. One who plays the piano should strike the keyboard with the same force. It does not matter whether the key is pressed with the index finger or the little finger. In this activity, we will verify that there is a difference between pushing the clothes peg with different fingers of our hand.

The task: Find out if there is a difference between pushing clothes peg with thumbs and with index finger and between pushing clothes peg with thumbs and with little finger. Find out, which pair of fingers is the strongest when pushing the clothes peg.

Prediction:

It is a difference between pushing clothes peg with thumbs and with index finger and between pushing clothes peg with thumbs and with little finger. YES - NO

If you circled YES, complete the sentence:

The stronger pair of fingers when pushing the clothes peg is ........................

What do we need: clothes peg, stopwatch.

Procedure:

1. Grasp the clothes peg with the thumb and the index finger of your right hand.

2. Your classmate will measure the time while pushing the clothes peg.

3. During one minute push the clothes peg with your thumb and index finger untill your hear a soft tap. Count how many times you pushed the clothes peg. Write your findings into the table.

4. Now exchange the task with your classmate.

5. Repeat the process using other pairs of fingers.

Worksheet for children

Complete activity