5 This week’s quiz

It’s time to complete the Week 4 badged quiz. It is similar to previous quizzes, but this time instead of answering five questions there will be fifteen.

Week 4 compulsory badge quiz [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)]

Remember, this quiz counts towards your badge. If you’re not successful the first time, you can attempt the quiz again in 24 hours.

Open the quiz in a new tab or window (by holding ctrl [or cmd on a Mac] when you click the link) and come back here when you are done.