Я знаю сложно, но Across:2.The capital of Scotland; 6.One of the largest Islands of the British Isles;7.One of the 3 parts of Grait Britain 9 The largest city of Great Britain 10.One of the 3 parts of Grait Britain; 11.One of the symbols of Grait Britain
Down:1. The highest mountain in Grait Britain 3.The longest river in Grait Britain 4.Officially head of all the branches of govermment in Grait Britain 5.Official language is spoken in Great Britain 6. The capital of Nothern Ireland; 8 The capital of Wales.​

Across:
2. The capital of Scotland - Edinburgh. Edinburgh is the capital city of Scotland, located in the southeastern part of the country.
6. One of the largest islands of the British Isles - Ireland. Ireland is the second-largest island of the British Isles, located to the west of Great Britain.
7. One of the three parts of Great Britain - England. England is one of the three constituent countries of Great Britain, along with Scotland and Wales.
9. The largest city of Great Britain - London. London is the capital city of both England and the United Kingdom, and it is the largest city in Great Britain.
10. One of the three parts of Great Britain - Scotland. Scotland is one of the three constituent countries of Great Britain, along with England and Wales.
11. One of the symbols of Great Britain - the Union Jack. The Union Jack is the national flag of the United Kingdom, which includes Great Britain and Northern Ireland.

Down:
1. The highest mountain in Great Britain - Ben Nevis. Ben Nevis is the highest mountain in the British Isles, located in Scotland.
3. The longest river in Great Britain - River Severn. The River Severn is the longest river in the British Isles, flowing through Wales and England.
4. Officially head of all the branches of government in Great Britain - the Monarch. The Monarch, currently Queen Elizabeth II, is the ceremonial head of state in the United Kingdom and is considered the official head of all branches of government.
5. Official language spoken in Great Britain - English. English is the primary language spoken in both Great Britain and the United Kingdom as a whole.
6. The capital of Northern Ireland - Belfast. Belfast is the capital and largest city of Northern Ireland, which is one of the four countries that make up the United Kingdom.
8. The capital of Wales - Cardiff. Cardiff is the capital and largest city of Wales, which is one of the four countries that make up the United Kingdom.

Официально головой всех ветвей власти в Великобритании является Монарх, число 4.
Ответы на другие вопросы:
2. Столица Шотландии - Эдинбург.
6. Одни из крупнейших островов Британских островов - Ирландия.
7. Одна из трех частей Великобритании - Англия.
9. Самый большой город Великобритании - Лондон.
10. Одна из трех частей Великобритании - Шотландия.
11. Один из символов Великобритании - Британский флаг, также известный как Union Jack.

1. Самая высокая гора в Великобритании - Бен Невис.
3. Самая длинная река в Великобритании - река Северн.
5. Официальный язык, на котором говорят в Великобритании - английский.
6. Столица Северной Ирландии - Белфаст.
8. Столица Уэльса - Кардифф.

Надеюсь, эти ответы помогут вам разобраться с перечисленными терминами и фактами о Великобритании.