Page 2 - Competency Based Worksheet- Water, A Life Giving Liquid
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Picture-Based Questions
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                         (a) Identify the process taking place in the water cycle diagram.
                         (b) What step is important for replenishing groundwater? Why?

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                        (a) Identify two visible differences between the two types of water.
                        (b) List two ways we can prevent water pollution at home.

           Activity-Based Questions
               9.    Collect rainwater in a clean container and test it using litmus paper.
                        (a) What is the nature (acidic/basic/neutral) of rainwater?
                        (b) What causes acid rain?

               10.   Take two identical plants, water one regularly and leave the other dry for a week.
                        (a) What difference do you observe in both plants after a week?
                        (b) What does this experiment prove about the importance of water?

           Numerical Questions
               11.   A tank holds 150 liters of water. If 12 such tanks are filled in a day, how much water is
                    used?

               12.   A family uses 450 liters of water per day.
                        (a) Calculate their total water usage in a week.
                        (b) If 30% of this water is used for gardening, how many litres is that per week?
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