Fill in each blank with the correct word from the lesson.

1. Drinking contaminated water causes serious diseases like cholera, _______, and diarrhoea.
2. Water treatment plants add _______ to water — this chemical kills harmful germs.
3. _______ is essential for life, but not all water is safe to drink!
4. Bacteria and viruses are invisible micro_______isms that can make us very sick.
5. Safe Water is an important topic in _______.

Choose the best option for each question.

1. What is the simplest way to make water safe at home?
   a) Adding sugarb) Boiling itc) Letting it sitd) Adding salt
2. Which disease is caused by drinking unsafe water?
   a) Flub) Malariac) Typhoidd) Asthma
3. What chemical is used at water treatment plants to kill germs?
   a) Chlorineb) Oxygenc) Saltd) Hydrogen

Write T for True or F for False in the brackets.

1. Boiling it is one of the key concepts in the lesson on Safe Water.
2. Adding sugar is the main topic of this lesson.
3. Drinking contaminated water causes serious diseases like cholera, typhoid, and diarrhoea.
4. Drinking contaminated water causes serious diseases like cholera, Flu, and diarrhoea.

1. In your own words, explain what Safe Water means.
2. List two things you learned from this lesson on Safe Water.