Match the words with the definitions.

Write the number of the definition near the word.

Principle [ ]

Whirling [ ]

Twilight [ ]

To flicker [ ]

1. The time just before it becomes completely dark in the evening.

2. Moving or making something move quickly round and round.

3. A rule or belief that influences your behaviour and which is based on what you think is right.

4. To shine with a light that is sometimes bright and sometimes weak.