Class 6 :- Curiosity Questions and answers
1. Write the short note on the water cycle
Answer: The water cycle is the continues solar powerd movement of water between the earth’s surface, atmosphere and underground. It involves water changing states liquid, solid and gas (vapour) through processes like evaporation, condensetion and precipitation to sustain life and regular climate.
Question: 2. What is scientific method?
Answer: A systematic way to find the answers to the questions through observation and experiments is called the scienthivic method.
Answer the following questions.
1) How has science helped in solving the problems of waste dispersal?
Ans- i) Recycling waste materials like paper, Plastic glass. ii) composting biodegradable waste in manure iii) Using waste water treatment plants to manage sewage iv) Promotions of 3R (Reduce, Reuse, Recycle) This reduces pollution and keep enviorment clean.
Q2 Science has provided effective means to combat disease. Explain with the help of examples.
Answer: (i) By developing medicines like antibiotics to cure infection.
ii) By improving medical technology like X-rays and blood test These help in early dedecation, prevention and cure of diesease
iii) Vaccines are created to prevent dieases like polio.
Q3 what is scientific method?
Answer: – A scintific way to find the answers to questions through observation and experiments is called scientific method.
Q4 How is the climate in dessert?
Answer:
i) The climate of a desert is very hot and dry.
ii) There is very little rainfall throught the year.
iii) Days are very hot while nights are cold
iv) There is very little vegetion due to lack of water
v) strong winds and sandstroms are common in many desserts
Q5 What happened to water when it is cooled and heated respectively?
Answer: 1 water turns into a gas when heated and solid when cooled
2. water turns into vapour when heated and ice when cooled.