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Question

Rewrite the incorrect statements correctly.
(a) The earth is a satellite of the sun.
(b) The Pole Star is used by sailors to fix the position of ships.
(c) The orbits of the planets around the sun are circular.
(d) The sun's  gravity prevents the planets from flying off into space.
(e) The moon goes through a complete cycle of waxing and waning in 14 days.
(f) Meteors glow because of friction when they enter the atmosphere.
(g) Solar eclipses occurs when the shadow of the moon false on the earth.
(h) The revolution of the earth causes day and night.


Solution

(a) The earth is a satellite of the sun.
Correct

(b) Incorrect

The Pole Star is used by sailors to measure the latitude of a place.

(c) Incorrect

The orbits of the planets around the sun are elliptical.

(d) The sun’s gravity prevents the earth and the other planets from flying off into deep space.
Correct

(e) Incorrect

The moon goes through a complete cycle of waxing and waning about every 29 days.

(f) Incorrect

Meteors become red hot and burn up because of friction with the atmosphere.

(g) A solar eclipse occurs when the moon's shadow falls on the earth.
Correct

(h) Incorrect

The rotation of earth on its axis causes day and night.

Science
Active Science
Standard VIII

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