PIS BARODA STD-7

 

 

Poems covered. 1.Vagabond. 2.Ballad of Father Gilligan Give meanings of. 1.Happy. 2.byway 3.frosty. 4.blow. 5.flock 6.fen 7.wrap Answer in detail. Q.1 Narrate the poem-Ballad of Father Gilligan. Q.2 What happened at the moth hour of an eve? Q.3 Why was the priest overcome with pain? Q.4 Why does the poet choose to be a vagabond? Q.5 Explain-let the blow fall soon or late.

Science Revision Test Physical and Chemical changes Class 7 1. what is difference between physical and chemical changes?  2.what is reversible and irreversible physical chamge A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour. 3.what kind of change is shown by Rusting of iron. (a) Lime water turns milky on passing carbon dioxide gas into it. (b) Bubbles are produced when acetic acid is added to a solution of sodium hydrogencarbonate 4. Lime water turns milky on passing carbon dioxide gas into it. 5. Bubbles are produced when acetic acid is added to a solution of sodium hydrogencarbonate. 6.A student took a solution of copper  sulphate in a beaker and put a clean iron nail into it and left it for about an hour. (a) What changes do you expect? (b) Are these changes chemical in nature? (c) Write a word equation for the chemical change, if any 7.Give an example of a chemical reaction for each of the following s...

 

 Day - Wednesday Topic Taught - सदैव पुरतो निधेही चरणम्  Textbook exercise and question answers done.

Science Revision Test 1.Difference between Uniform and Non uniform motion. 2.Give basic unit of speed. 3.State the characteristic of distance-time graph for the motion of an object moving with a constant speed. 4.If you did not have a clock, how would you decide what time of the day is?  5.Determine the number of seconds there in a day. 6.Explain how time was measured when pendulum clocks were not available 7.A spaceship travels 36000 km in one hour.Express its speed in km/s. 8.Name the most ancient unit of time in which it was earlier measured. 9.State the factors on which the time period of a simple pendulum depend. 10.Which one records the distance travelled by a vehicle?