Planet Fill-In Exercise Answer Key

This worksheet challenges students to identify planets based on descriptive clues. Each statement highlights a planet’s defining traits-such as size, atmosphere, or distance from the Sun-and learners match the correct planet’s letter to the description. A bonus challenge asks students to recall which celestial body was reclassified as a dwarf planet, reinforcing scientific classification. The exercise strengthens reading comprehension, factual recall, and reasoning skills while promoting familiarity with planetary characteristics.

Curriculum Matched Skills

Science – Identifying Planets and Their Features

Science – Classification of Celestial Bodies

Reading – Comprehending and Interpreting Informational Text

Critical Thinking – Matching Descriptions to Scientific Facts

This worksheet is part of our The Solar System collection.