Seven Power of Seven Questions
Can you name the following in English?
The 7 Colours of the Rainbow
The 7 Continents
The 7 Days of the Week
The 7 Deadly Sins
The 7 Seas
The 7 Teens
The 7 Wonders of the Ancient World
Don't worry if you don't get them all right. Most native speakers couldn't name the 7 Deadly Sins...
But you should at least know the 7 Days of the Week!