ANSWER THES QUESTIONS Class VI Ch 3 Motions of the Earth Assignment-1 Very short answer type: A. Multiple Choice Questions (i) The axis of the earth is a/an…………….. (a) Imaginary line (b) Straight line (c) Curved line (d) Real line (ii) The earth receives light from the …………… (a) Moon (b) Stars (c) Meteors (d) Sun (iii) The time taken by the earth to complete one rotation around its axis is………………… (a) 24 hours (b) 12 hours (c) 36 hours (d) 18 hours (iv) The earth completes one revolution in …………… (a) 366 days (b) 370 days (c) 365 1/4 days (d) 366 1/4 days B. Fill in the Blanks: (a)A leap year has ………… number of days. (b)The daily motion of the earth is ……… …… (c)The earth travels around the sun in……………. C. Short answer type: (a) What is the angle of inclination of the earth’s axis with its orbital plane? 1 (b) Define rotation and revolution long questions a) How does leap year occur? b) What would happen if the earth did not rotate?
Answers
Answer:
A. I. a) imaginary line
ii. d) sun
iii. a) 24 hours
iv. c) 365 1/4 days
B. I. 366
ii. rotation
iii. 365 1/4 days
C. I. the angle of inclination of the earth's Axis with its orbital plane is 23.5 degree.
ii. rotation is the movement of Earth on its own axis.
Revolution is the movement of earth around the sun.
iii. the year which has 366 number of days is known as leap year.
iv. if earth did not rotate, one part of the earth would be left with no rise of sun and other part remain without sunset.
Answer:
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