B. Directions: Complete the statements about the revolution of the Earth by choosing the correct word from the parenthesis. Write your answers in your activity notebook. 1. Earth's imaginary orbit around the Sun is (circular, elliptical) in shape. 2. The movement of the Earth around the Sun is called (revolution, rotation). 3. It takes 365 and (1/4, 1/2) days for Earth to complete its journey around the Sun. From a point above the North Pole, the Earth appears to revolve in a (clockwise, counterclockwise) direction. 4.
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Answer:
1. Earth's imaginary orbit around the Sun is (circular, elliptical) in shape.
2. The movement of the Earth around the Sun is called (revolution, rotation).
3. It takes 365 and (1/4, 1/2) days for Earth to complete its journey around the Sun. From a point above the North Pole, the Earth appears to revolve in a (clockwise, counterclockwise) direction.
Explanation:
1. Earth orbits the Sun in a slightly flattened circle called an "ellipse." In geometry, the ellipse is a curve that loops around two points called "foci." The distance from the center to the longest ends of the ellipse is called the "semi-major axis," while the distance to the flattened "sides" of the ellipse is called.
2. The movement of the earth around the sun in a fixed path or orbit is called Revolution. The axis of the earth which is an imaginary line, makes an angle of 66½° with its orbital plane.
3. When viewed above the North Pole, the Earth rotates counterclockwise, from west to east. This is also called a prograde rotation. Because of this direction of rotation, we see the sun rising every day in the east and setting in the west.
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