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Sir Isaac Newton - Prose
All Questions[248]
From Zero to Infinity - Prose[17]
Sir Isaac Newton - Prose[12]
My Reminiscence - Prose[12]
A Birthday Letter - Prose[12]
Being Safe - Prose[12]
Cyber Safety - Prose[11]
Old Man River - Drama[10]
Friendship - Prose[10]
Water - The Elixir of Life - Prose[9]
Seventeen Oranges - Prose[9]
The Mystery of the Cyber Friend - Supplementary[7]
Learning the Game - Prose[7]
The Fun They Had - Supplementary[7]
The Cat and the Painkiller - Supplementary[6]
Hobby Turns into a Successful Career - Prose[6]
The River - Poem[6]
Stopping by Woods - Poem[6]
The Three Questions - Supplementary[6]
I Can't Climb Trees Anymore - Prose[6]
A Poison Tree - Poem[6]
Homeless Man and his Friends - Supplementary[6]
The Spider and the Fly - Poem[5]
Little Cyclone - Supplementary[5]
The Envious Neighbour - Supplementary[5]
Crossing the River - Supplementary[5]
When Instinct Works - Supplementary[5]
On Killing a Tree - Poem[5]
Earthquake - Supplementary[5]
The Stick-together Families - Poem[4]
The Christmas Truce - Supplementary[4]
Lessons in Life - Poem[4]
A Thing of Beauty - Poem[3]
Fire Work Night - Poem[3]
My Computer Needs a Break - Poem[2]
Making Life Worth While - Poem[2]
The Comet - Poem[2]
My Hobby: Reading - Poem[1]
A Hunter Turned Naturalist - Supplementary[1]
Learning the Game - Grammar[1]
Mother's Voice - Supplementary[1]
Learning the Game - Vocabulary[1]
I Can't Climb Trees Anymore - Vocabulary[1]
Class 9 / English

Sir Isaac Newton - Prose

Question 4 of 12
Book: TN-ENG-09Chapter 3
How did young Isaac calculate the strength of the wind as a boy?
A
Using a weather vane
B
By jumping against the wind and measuring the length of his jump
C
By observing trees
D
Using a kite
Correct AnswerB.
By jumping against the wind and measuring the length of his jump
Explanation
He jumped against the wind, using his jump length to calculate if it was a breeze, gale, or tempest
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