Relier Pairs Chapter 5 VocabularyVersion en ligne Space 3rd Grade Science par Lisa Hibbeler 1 Rotation 2 Revolution 3 Axis 4 Orbit 5 Planet 6 Sun 7 Globe 8 Shadow 9 Star 10 Light-Year 11 Moon Phase a large, ball-shaped body that revolves, or travels around, the sun a dark area that forms when an object blocks the light that hits it the distance light travels in one year an imaginary line around which Earth spins a model of Earth one complete trip around the sun the path an object takes as it revolves around the sun one complete spin on an axis a giant ball of hot, glowing gases that release energy the shape the moon seems to have at a given time the closest star to Earth