Terrestrial Motion Quiz

What is motion described as?

• Change in position of a body with respect to a reference point

• Speed of a body in motion

• Acceleration of a body in motion

• Distance traveled by a body in motion

What does elapsed time refer to?

• Time taken for an object to change direction

• Time taken for an object to accelerate

• Time that passed after deciding to start counting or measuring time

• Time taken for an object to stop moving

What is a reference point used for?

• To stop motion

• To hide the position of a body

• To make measurements of length with respect to it

• To confuse measurements

What is diurnal motion?

• Revolution of Earth around the sun

• Revolution of the moon around Earth

• Change in orientation of Earth's rotation

• Rotation of Earth on its axis resulting in day and night

Who concluded that the Earth is spherical and not flat?

• Claudius Ptolemy

• Eudoxus of Cnidus

• Aristotle

• Eratosthenes

What is the geocentric model of the universe?

• Earth is flat

• Earth is at the center of the universe

• Sun revolves around Earth

• Earth revolves around the sun

Who proposed the geocentric model of the universe with cosmic spheres?

• Eratosthenes

• Claudius Ptolemy

• Aristotle

• Eudoxus of Cnidus

What is the principle of eccentric motion?

• Celestial bodies move in perfect circles

• Celestial bodies sweep out equal angles in equal times

• Celestial bodies move at varying speeds

• Celestial bodies move in straight lines

Who believed that Earth is imperfect and constantly undergoes change?

• Eudoxus of Cnidus

• Aristotle

• Claudius Ptolemy

• Eratosthenes

What is the precession of the equinoxes?

• Change in orientation of Earth's rotation

• Revolution of Earth around the sun

• Rotation of Earth on its axis

• Change in the position of the moon