Learning Task 2. Perform the activity.
Title:-what is Vibration?
Materials: transparent (clear) plastic ruler
table
Procedure:
1. Get a plastic ruler and press one end to the edge of the table by
Push or press down the free end then release it suddenly. Observe
what happens when you release the free end of the ruler. Write your
observations in your notebook.
Hold firmly
2.
Table
Push down
And release
Figure 2
Figure 7
3
Hold the ruler while it is still in motion. Observe what happens witte
Repeat #2 and #3 several times (at least 3 times). Observe what
happens. Record all observations.
your observation
Questions:
2
What happened to the ruler when you suddenly released it?
How do you describe the movement of the ruler?
3. Did you hear a sound?
Did the sound coming from the moving ruler suddenly stop when you
held it? When you released it again?​