Generation of waves practice exercise 3

A child playing near a flooded ditch kicks a floating jerrycan. The jerrycan bobs up and down but does not move far. Explain why, and what this tells us about wave movement.  (2 marks)

A child playing near a flooded ditch kicks a floating jerrycan. The jerrycan bobs up and down but does not move far. Explain why, and what this tells us about wave movement.  (2 marks)

A child sings loudly inside a mabati (iron-sheet) house and hears the sound come back after a short moment. Explain what happened and what this tells us about sound waves. (2 marks)

A child sings loudly inside a mabati (iron-sheet) house and hears the sound come back after a short moment. Explain what happened and what this tells us about sound waves. (2 marks)

A child ties one end of a skipping rope to a tree and swings the other end up and down. Describe how this simple activity shows wave generation and what can be observed. (2 marks)

A child ties one end of a skipping rope to a tree and swings the other end up and down. Describe how this simple activity shows wave generation and what can be observed. (2 marks)

A girl shouts near a steep cliff while hiking in Mt. Elgon and hears an echo. Explain what this tells us about sound wave behavior in nature and how they are generated and travel. (2 mark)

A girl shouts near a steep cliff while hiking in Mt. Elgon and hears an echo. Explain what this tells us about sound wave behavior in nature and how they are generated and travel. (2 mark)

An earth tremor occurs during a lesson and learners feel the desks shake briefly. Explain what caused the desks to shake and relate this to wave generation in natural events. (2 marks)

As a boda boda speeds past a large puddle in Meru, it splashes water, and waves spread out. Use a diagram to explain how this shows wave generation, and what happens to floating debris. (2 marks)

As a boda boda speeds past a large puddle in Meru, it splashes water, and waves spread out. Use a diagram to explain how this shows wave generation, and what happens to floating debris. (2 marks)

As a boda boda speeds past a large puddle in Meru, it splashes water, and waves spread out. Using the diagram below, to explain how this shows wave generation, and what happens to floating debris. (2 marks)

During a heavy rain in Kisumu, you notice ripples forming on a flooded road. Explain how the raindrops cause these ripples and what it tells us about waves in nature.  (2 marks)

During a heavy rain in Kisumu, you notice ripples forming on a flooded road. Explain how the raindrops cause these ripples and what it tells us about waves in nature.  (2 marks)

The diagram below shows two ducks floating in Lake Naivasha as waves pass beneath them. Describe what happens to the ducks and what this reveals about how waves move in water. (2 marks)

The school bell is a drum beaten during assembly. Use the diagram below to explain how learners far away can still hear the sound. Describe how the waves are generated and transmitted. 

The school bell is a drum beaten during assembly. Use the diagram below to explain how learners far away can still hear the sound. Describe how the waves are generated and transmitted. 

While drinking water at a village pond, a goat accidentally dips its horn into the water. Describe what happens next and explain what this shows about how waves are generated in nature. (2 marks)