Vocabulary Book Flashcard #4 2025-2026

Front

The time of light between one night and the next.

Back

day

Front

The time from dusk to dawn when no sunlight is visible.

Back

night

Front

The action or process of rotating on or as if on an axis or center

Back

rotation

Front

The luminous celestial body around which the earth and other planets revolve, from which they receive heat and light.

Back

sun

Front

A path described by one body in its revolution about another.

Back

orbit

Front

The period of about 365¹/₄ solar days required for one revolution of the earth around the sun.

Back

year

Front

The planet on which we live that is third in order from the sun.

Back

Earth

Front

A straight line about which a body or a geometric figure rotates or may be supposed to rotate.

Back

axis

Front

To cause to have an inclination.

Back

tilt

Front

The action by a celestial body of going round in an orbit or elliptical course.

Back

revolution