| A | B |
|---|
| shelter | a place that protects someone or something |
| colony | a group of people who live together separately |
| constant | staying the same; happening all the time |
| wilderness | an area of land with plants and animals, but no people |
| climate | the usual weather conditions in a place |
| region | an area that has a certain type of land or weather |
| unexpected | not expected or causing great surprise |
| glide | to move smoothly and without effort |
| overheated | to become too hot |
| layer | a covering part that lies over or under another |
| explode | to suddenly break apart into small pieces |
| continent | one of the Earth’s seven largest areas of land |
| plunge | to move suddenly forward or downward |
| isolated | to be apart from other things |
| melt | to change from a solid to a liquid because of heat |
| coast | land that is next to the ocean |
| iceberg | a large floating mass of ice |
| runway | a smooth, level area of land on which airplanes take off and land |
| telescope | an intrument that helps to make things look larger |
| wipe | to clean or dry by rubbing |
