KIDS TRIVIA

KIDS QUIZ

SPACE EXPLORATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What causes the day and night cycle on Earth?
A
Rotation of the Sun
B
Revolution of the Earth
C
Gravitational pull from the moon
D
Rotation of the Earth
Explanation: 

Detailed explanation-1: -The Earth orbits the sun once every 365 days and rotates about its axis once every 24 hours. Day and night are due to the Earth rotating on its axis, not its orbiting around the sun.

Detailed explanation-2: -Earth rotates because Sun attracts the earth and thus pulls earth towards it secondly due to earths revolution around sun it tends to go away from sun in direction of the tangent hence a rotational force (torque) acts on earth and it tends to rotate.

There is 1 question to complete.