Materials Required:
1. One 10 metres rope
2. Sketch pen
Procedure:
1. Hold one end of a long rope (10 metres) in your hand and ask your friend to hold the other end.
2. Mark a small portion on the rope with a colour.
3. Now give a sudden jerk to the rope.
Did the coloured mark change its position along the rope?
Did you feel light and frequent jerks in your hand? Why does this happen?
Activity: 2
You must have floated a paper boat on water.
What happens to the boat when there are waves on the water surface?
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Video 4.5: Paper boat motion with the ripple
Does the boat displaced from its position with the ripples?
Rating:
Confirm Finish Lesson: Lesson 4: How does Sound Travel??
You will NOT be allowed to attempt Question again.
Is this true in other cases too?
Let us do some activities.
Activity: 1
Materials Required:
1. One 10 metres rope
2. Sketch pen
Procedure:
1. Hold one end of a long rope (10 metres) in your hand and ask your friend to hold the other end.
2. Mark a small portion on the rope with a colour.
3. Now give a sudden jerk to the rope.
Activity: 2
You must have floated a paper boat on water.
This is a modal window.
Video 4.5: Paper boat motion with the ripple