Question 1 What is meant by adaptation? Question 2 How polar bear is adapted to live in extremely cold polar regions having snow all around? Question 3 What are polar regions? Describe the climate in the polar regions of the earth? Question 4 What are tropical rainforest ? Name few adaptations which help the animals to live and survive in tropical … [Read more...] about Adaptations
Class 7
Climate
Question 1 What is meant by climate? Explain with the help of an example? Name the four major types of climate? Question 2 State the factors which affect the climate of a place? What is the difference in the locations of Srinagar and Thiruvananthapuram? How do their climates differ? Question 3 State few factors which affect the climate of a place? Climate The average … [Read more...] about Climate
Weather
Question 1 Name few activities of our daily life which are planned according to the weather on a day? Question 2 Define the term humidity? How is it expressed? Question 3 Name the instrument used to measure the rainfall at a place? Question 4 What is meant by weather? Name the elements which determine the weather of a place? Question 5 What produces weather? Why … [Read more...] about Weather
Chemical Changes
Question 1 What is meant by rusting of iron? State two conditions necessary for rusting of iron? How rusting damages iron objects? Question 2 What happens when an iron nail is kept immersed in copper sulphate solution? Question 3 What happens when baking soda is added to vinegar? Give its chemical reaction? Question 4 What happens when carbon dioxide is passed through … [Read more...] about Chemical Changes
Physical Changes
Question 1 What is a physical change? Question 2 Give few examples of physical changes from everyday life? Question 3 Explain why melting of ice to form water is said to be physical change? Question 4 What are the characteristics of physical changes? Question 5 Explain why boiling of water is said to be physical change? All substances have certain properties such … [Read more...] about Physical Changes