You observed that children are very weak and lean in the slum area near to your house investigate the reasons and prepare a report.

How do you select a good place to plant a tree in your school/ at home. Test the soil and investigate and write a report on it.

Given a rectangle with a fixed perimeter of 24 meters, if we increase the length by 1m the width and area will vary accordingly. Use the following table of values to look at how the width and area vary as the length varies. What do you observe? Write your bservations in your note books

Study the different ways in which waer is used , misused and recycled in the area where you stay. Prepare a questionnaire with the help of your friennds and teacher and study atleast five households in your locality for the same . Also explore and discuss ways to provide water for all.

You have observed in your grand parents avillage that people are suffering for drinking water.make a visit to the near by wells and observe the reasons.

Have you ever observed any water pollution in your area? What measures would you suggest to control it?

Saniya prepared a toy. She mounted a cone on a cylinder whose circular radii are same. She told to Archana that the total surface area of the toy is the sum of the total surface area of the cone and cylinder. Do you agree with this? Justify your answer.

Latha's mother has prepared the following statements for you. But don’t forget to give your reasons. Plants are the source of honey.

Observe a lawn in your area (If you have one) and see how it is maintained. Find out from the gardener the different types of plants that he removes from time to time. Do you think a farmer does the same thing on his farm ?

It is very Interesting to observe a touch-me-not (Atti-patti or mimosa) plant. Touch it. Record your observations. How does this plant respond when you touch it?

On the basis of your observations in the bell jar experiments can you say that flowers, buds and sprouted seeds respire ? Give reasons for your answer.