Listen to an academic talk

 



 

 

Questions

1. What is the main topic of the talk?

A. Weather forecasting
B. The water cycle 
C. Ocean currents
D. Climate change

 

2. What is the first step in the water cycle mentioned?
A. Precipitation
B. Evaporation 
C. Collection
D. Condensation

 

3. How can humans affect the water cycle?
A. By planting trees only
B. Through deforestation and urban development 
C. By fishing in rivers
D. Through evaporation

 

4. What can be inferred about plants in the water cycle?
A. They have no effect
B. They contribute through transpiration 
C. They increase rainfall
D. They prevent evaporation

 

Academic talk text

Water on Earth is constantly moving through a cycle of processes known as the water cycle. This cycle includes evaporation, condensation, precipitation, and collection. Water evaporates from oceans, lakes, and rivers due to solar heat, turning into water vapor. This vapor rises into the atmosphere, cools, and condenses into clouds.

When the clouds become heavy, water falls back to Earth as precipitation in the form of rain, snow, sleet, or hail. This water then collects in bodies of water or infiltrates the soil, replenishing groundwater supplies. Plants also play a role in this cycle by releasing water through transpiration.

Understanding the water cycle is crucial for managing freshwater resources and predicting weather patterns. Human activities, such as deforestation and urban development, can disrupt this natural cycle, leading to droughts or floods.

 

 

1. Answer: B

Explanation: The talk explains the processes of the water cycle and its importance.

2. Answer: B

Explanation: Water evaporates first due to solar heat.

3. Answer: B

Explanation: Human activities can disrupt natural water flow.

4, Answer: B

Explanation: Plants release water into the atmosphere, aiding the cycle.