| AYLA | Heroine of "Earth's Children" |
| AUEL | Author of the "Earth's Children" series |
| JEANAUEL | "Earth's Children" author |
| CLANOF | The first in Jean Auel's Earth's Children series, The ... The Cave Bear (4,2) |
| STONEAGE | Setting for Jean M. Auel's "Earth's Children" books |
| MAP | From the Latin meaning "sheet of the world", any one of the many diagrammatic representations of Earth's surface created in the art or science of cartography (3) |
| BRADLEY | Scientist known for his discovery of the aberration of light and for observing the oscillation of Earth's axis (nutation), who succeeded Edmond Halley as Astronomer Royal in 1742 (7) |
| OCEAN | Any one of a number of expanses forming 70 per cent of Earth's surface (5) |
| RAINFOREST | Type of biome covering around six per cent of Earth's land surface and containing half of its plant/animal species (10) |
| IRON | Forming one third of Earth's mass, a metal used in the form of filings to demonstrate magnetic lines of force (4) |
| TECTONICS | From "builder", the study of the structure of Earth's lithosphere and crustal plates; or, the art or science of construction or architecture (9) |
| TECTONIC | Of building; of earth's crust deformation |
| NITROGEN | Constituent of four fifths of earth's atmosphere |
| SUMATRA | One of the world's top-ten largest islands, home to some of Earth's rarest animal and plant species |
| PROFILE | Biographical sketch; a cross-section of Earths crust showing different layers; or, a persons head/fa |
| FOREST | Type of biome occupying one third of Earth's land area (6) |
| REALM | Any one of eight biogeographical divisions of Earth's land surface, each with own particular flora and fauna (5) |
| PASSAGE | Drake -; also known as the Mar de Hoces, one of Earth's roughest sections of sea (7) |
| ASIA | Largest of Earth's continents; or, one of the mythological Greek Oceanids (4) |
| MOON | Word linking with wolf, snow, pink, strawberry, harvest, hunter's or frost for some of the traditional names of Earth's natural satellite in its full phases (4) |