Решение:
Нужно преобразовать слова из списка и вставить их в предложения.
- CHANGE — weather. The change in Britain is ....
- FROST — freezing. It's very cold and freezing in North America in winter.
- RESEARCH — researcher. K.Tsiolkovsky was the greatest researcher in space area.
- DANGER — dangerous. Tornadoes are very dangerous ....
- SCIENCE — scientists. Russian scientists have made a lot of valuable inventions.