100% | TERRA | 5 | Earth that's "firma" |
66% | TNT | 3 | Invention that's totally earth-shattering |
64% | ASIA | 4 | Continent that's 9% of Earth's surface |
62% | MARS | 4 | Planet that's about half the diameter of Earth |
62% | GEOLOGY | 7 | Science that studies Earth's physical features |
62% | METEOR | 6 | Fiery mass that enters Earth's atmosphere |
61% | CLIMATE | 7 | Type of change that's related to Earth's warming |
61% | METEORITE | 9 | A chunk of an asteroid that's fallen to earth |
61% | UFO | 3 | Spacecraft that's not piloted by people from Earth: Abbr. |
60% | TECTONICS | 9 | Process that affects structure of Earth’s crust |
60% | METEORITE | 9 | Space rock that gets through Earth's atmosphere |
60% | TECTONIC | 8 | Giant plates that form the Earth's crust |
60% | METEORITE | 9 | Space rock that reaches the earth's surface |
60% | METEOR | 6 | Space rock that enters the Earth's atmosphere |
60% | TECTONIC | 8 | Moving plates that form the Earth's crust |
59% | NITROGEN | 8 | Gas that makes up most of Earth's atmosphere |
59% | NITROGEN | 8 | Gas that constitutes almost 80% of Earth's air |
59% | SUBSOIL | 7 | Earth that is immediately beneath the surface |
57% | ASIA | 4 | Continent that is about 30% of the earth's land |
57% | TILT | 4 | Feature of the earth's axis that causes the seasons |
57% | TECTONIC | 8 | Like the plates that shift along the Earth's crust |
56% | USA | 3 | North American country that's about 6.5% of the Earth's land |
56% | IONOSPHERE | 10 | Layer of the earth's atmosphere that lies above the mesosphere |
56% | ASIA | 4 | Area that takes up about 30% of Earth's land mass |
55% | BRISTLECONEPINE | 15 | Tree that's among the oldest known life forms on earth (4,800+ years) |
55% | ARGON | 5 | Noble gas that makes up almost 1% of the Earth's atmosphere |
55% | ARGON | 5 | Noble gas that makes up nearly 1% of the earth's atmosphere |
52% | AXIALLY | 7 | The way that Earth rotates |
52% | SUN | 3 | Star that the Earth orbits |
52% | TILLERS | 7 | Tools that work the earth |