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