Prepositions Worksheet For Class 9 CBSE
Fill in the blanks with an appropriate preposition. This prepositions worksheet is helpful for students of classes 8 and 9.
Prepositions Worksheet for classes 8 and 9
……………………. (In /On / At) a hot, clear day, an umbrella can provide cooling relief ……………………….. (of / from / in) the sun’s scorching rays. The same concept might one day help protect Earth ……………………… (by / from / of) the accumulating heat of global warming.
Building a single umbrella big enough to shade the entire planet will never be possible. Instead, astronomers at the University of Arizona want to launch a trillion tiny sunshields ………………… (to / into / on to) outer space. Each mini-umbrella would be a small, light spacecraft, weighing about a gram, and carrying a sunshade measuring half a meter (1.6 feet) across. Working together, hordes of the devices could act as a sunscreen …………………… (of / for / to) the globe. And the pressure of sunlight ……………………… (in / on / at) attached solar reflectors would keep the little flyers in orbit around Earth …………………….. (in / at / from) a distance of about 1.5 million kilometers. The sunshade would cut the amount of sunlight reaching Earth ……………………… (by / with / in) 1.8 percent. This would be enough to reduce the impact of global warming.
The plan is definitely a big improvement …………………….. (over / from / to) previous ideas. Most of them involved large, heavy spacecraft that would need to be built in outer space out of pieces of asteroids or other space rocks.
Answers
On a hot, clear day, an umbrella can provide cooling relief from the sun’s scorching rays. The same concept might one day help protect Earth from the accumulating heat of global warming.
Building a single umbrella big enough to shade the entire planet will never be possible. Instead, astronomers at the University of Arizona want to launch a trillion tiny sunshields into outer space. Each mini-umbrella would be a small, light spacecraft, weighing about a gram, and carrying a sunshade measuring half a meter (1.6 feet) across. Working together, hordes of the devices could act as a sunscreen for the globe. And the pressure of sunlight on attached solar reflectors would keep the little flyers in orbit around Earth at a distance of about 1.5 million kilometers. The sunshade would cut the amount of sunlight reaching Earth by 1.8 percent. This would be enough to reduce the impact of global warming.
The plan is definitely a big improvement over previous ideas. Most of them involved large, heavy spacecraft that would need to be built in outer space out of pieces of asteroids or other space rocks.