Unit 7 · Energy in Daily Life

Waves and Sound

ScienceSubject
15 minEstimated read
Activity 7.7

Observe the production of a wave

ObjectiveTo observe the production of a wave.
MaterialsA rope.
MethodTie one end of the rope to a wall or a pillar, hold the other end in your hand, and shake it up and down.
Discussion and conclusionRepeat the activity for some time and observe and discuss the following. When the rope is shaken, in which direction is the energy given to the rope being transmitted? Compare the vibration of the molecules in the water when a wave is transmitted in a pond with this process.
A hand shaking one end of a rope up and down while the other end is fixed to a wall, with waves running along the rope towards the wall
Figure 7.15: A wave running along a shaken rope
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