Collect information about measures of time and their relation. Write it in a table.

Collect the information about dermal tissues of plants, in what may they help to them.

Collect information about cutaneous respiration in frog. Prepare a note and explain them in your classroom.

Collect information about different aerosols enter into air in your locality. What are the main aerosals in them ?

Collect information about experiments of Joseph Priestly and Ingen Houz from Internet and make a brief note on them.

Collect information about places where we get coal, petroleum and natural gas in India and mark the places on outline map of India. (AS_(5))

Think how each of the list given above form an A.P. Discuss with your friends. (b) Minimum temperatures (in degree celcius) recorded for a week, in the month of January in a city, arranged in assending order are -3.1, -3.0, -2.9, -2.8, -2.7, -2.6, -2.5

Collect information about the history of spherical mirrors in human civilization. Write a report on it.

Collect the information about properties and uses of covalent compounds and prepare a report.

collect information about the main food habits of different states of India. Refer the atlas,liberary books and discuss with your teacher.