Answer the following :
Reema cycled once around the circular garden and came back to entrance from where she had entered the garden . What is the distance covered by her and her displacement ?

Use your brain power: Every morning, Swaralee walks round the edge of a circular field having a radius of 100 m. As shown in Figure, if she starts from the point A and takes one round, how much distance has she walked and what is her displacement?

Answer the following : During a field visit an Andaman, Rahul observed that some volunteers were not allowing tourist to collect shells from the beaches. When he asked his teacher, she replied that it is an attempt to protect the ecosystem and explained the importance of seashells. What might have been her explanation?

Vinaya while playing in garden observed a pond with a green coloured covering which was floating on the surface of water? Next day she asked her teacher about the same. What her teacher must have told her?

Every morining, Swaralee walks round the edge of a circular field having a redius of 100 m. As shown in figure, if she starts from the point A and takes one round, how much distance has she walked and what is her displacement?

Answer the following questions : Sunita from Std. X uses spectacles . Her spectacle number is -1.5 D. Answer the following question : What type of lens is she using ?

Veena observes that during winter setting of milk into curd takes more time while during summer, the same process happens faster. She asks about this difference in time taken to her elder sister. She also asks her sister about why certain reactions occur rapidly while others occur slowly. Her sister explains her about the various factors that affect the rate of chemical reactions. Based on the above scenario, answer the following questions. The reaction of aluminum metal with dilute hydrochloric acid takes place faster as compared to zinc metal. What could be the reason for this difference?

Questions based on paragraph Study the following activity and answer the questions. Take two aluminium channels of different lengths. Place the lower ends of the channels on the floor and hold their upper ends at the same height. Now take two balls of the same size and weight and release them from the top end of the channels. They will roll down and cover the same distance. What is the form of the eventual total energy of the balls?

Answer the following questions : Sunita from Std. X uses spectacles . Her spectacle number is -1.5 D. Answer the following question : Name the defect of eye from which she is suffering .

Anjali and her friends went on an educational trip to the Kangra district in Himanchal Pradesh. They observed that many people had swollen necks. Help Anjali and her friends to find out the answers to the following questions: What is the cause of this disease?