Fresh drinking water keeps communities healthy and thriving worldwide. Environmental champions explore the importance of clean water and sanitation, and practice questions that examine water purification, sewage treatment, and hygiene practices. These vital activities help students understand public health connections while learning about global water challenges and solutions. Students can download a printable importance of clean water and sanitation free worksheet PDF, each lesson builds health awareness and social responsibility.
1. We can harm the quality of water present in the water sources around us through different activities. Which of the following practices can help purify water?
a)
b)
c)
d)
Answer: b
Explanation: Boiling water is a good practice that can help clean drinking water.
2. Jake and his friends were playing in the park. After playing, they all wanted to drink water. Which source should they choose to get clean and safe drinking water?
a) Water from a puddle on the ground
b) Water from the public drinking fountain
c) Water from a plastic bottle they found
d) Water from a stagnant pond
Answer: b) Use a water filter for the fish tank
Explanation: Public drinking fountains are a reliable source of water compared to other sources mentioned in the options.
3. Lisa noticed that the water in her fish tank was getting cloudy, and her fish were not as active as usual. What should Lisa do to improve the water quality for her fish?
a) Add more fish to the tank
b) Change water less frequently
c) Use a water filter for the fish tank
d) Stop feeding the fish
Answer: c) Use a water filter for the fish tank
Explanation: A water filter helps remove impurities from water and keep it clean.
4. Mark's family uses water from a well in their backyard for various purposes. What should Mark's family do to make sure the well water is safe to drink?
a) Nothing, well water is always safe
b) Boil the well water before drinking
c) Add plastics to it
d) Stop using the well entirely
Answer: b) Boil the well water before drinking
Explanation: Boiling the water makes it clean and safe for drinking.
5. Sarah went on a camping trip with her friends. They found a stream nearby and were excited to drink water from it. Why should Sarah be cautious about drinking water directly from the stream?
a) It tastes salty
b) It is healthier than filtered water
c) It may contain harmful germs
d) One should never drink stream water
Answer: c) It may contain harmful germs
Explanation: Stream water can be full of germs and hence she should be careful while drinking.
6. During a camping trip, Sophie and her friends found a river. Sophie suggested using water purification tablets to make the stream water safe for drinking. What is the purpose of these tablets?
a) To change the colour of the water
b) To make water taste better
c) To kill harmful microorganisms in the water
d) To make water impure
Answer: c) To kill harmful microorganisms in the water
Explanation: To kill harmful microorganisms in the water. Water purification tablets are made.
7. Tom accidentally dropped his toy in a pond while playing in the park. When he retrieved it, he noticed that the toy was covered in an oily black-green substance. What lesson can Tom learn from this experience?
a) Always wear gloves when playing near water.
b) Always play with your toys indoors.
c) Ponds are always dirty, so never play near them.
d) Water with visible pollutants may not be suitable for play.
Answer: d) Water with visible pollutants may not be suitable for play.
Explanation: Some water sources may contain impurities and pollutants, and hence may not be safe for playing.
8. Mia's class is organising a picnic near a river. The teacher reminds students not to throw plastic water bottles in the river. Why is it advisable to not throw plastic in the river?
a) To keep the river water clean
b) Plastic makes water pure
c) Plastic does nothing with the water
d) Plastics kill harmful microorganisms in water
Answer: a) To keep the river water clean
Explanation: Plastic harms water and also animals living in it. That's why we should not throw plastics in water sources.
9. Alex's family lives in an area where they rely on community wells for their water needs. One day, they notice a strange smell in the well water. What should Alex's family do to address this issue?
a) Ignore the smell and continue using water
b) Use the water without any changes
c) Start using this as a dustbin for garbage
d) Inform local authorities
Answer:d) Inform local authorities
Explanation: A strange smell can indicate contamination hence informing local authorities and getting it checked is more advisable.
10. Water can be purified using many different procedures. Which of the following is not a method to clean water?
a)
b)
c)
d)
Answer: a
Explanation: We should not throw trash in the water sources as it makes them dirty and contaminates the water.
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