Stretch your hand, holding a scale in your hand vertically and try to cover your school building by the scale (Adjust your distance from the building). Draw the figure and estimate height of the school building.

Standing at 5 m apart from a vertical pole of height 3 m, Sudha observed a building behind the pillar and found that tip of the pillar is in line with the top of the building. If the distance between pillar and building is 10 m, estimate the height of the building.[Here height of Sudha is neglected]

You are observing top of your school building at an angle of elevation alpha from a point which is at 'd' meter distance

What is your opinion on elevating buildings with mirror.

Collect information about biogas production from your school library.

Collect the information from your school library for natural disasters in the world.

Observe the logos. What does this mean? Collect information about this from your school library.

Jagadeesh tried to estimate the height of a tree by covering the height with a vertical scale holding it at a distance of 50 cm from his eyes along horizontal line. If the scale measurement of the tree is 15 cm and distance of the tree from Jagadeesh is 50m. Find the actual height of the tree.

Explain the experiment which you have conducted in your school laboratory to know the affect of saliva on the starch by drawing a diagram.

Collect information related to feeling and hunger from your school library and prepare a note on it .

Collect information related to feeling hunger from your school library and prepare a note on it.