Which of these colours is a primary colour?

What is the name of molten (liquid) rock when it is deep underground?

Which substance stays the same shape, even when inside a container?

Which of these materials is an electrical conductor?

What do we call an object that we are unable to see through at all?

Which of these metals is magnetic?

What is the name of the bone found between the elbow and the shoulder?

In British history, which of these eras came first?

What do we call the ditch, that's often filled with water and surrounds a castle?

Who was the British Prime minister at the start of World War Ⅱ ?

Which is the largest continent?

Which two countries is Mount Everest in?

Which of these countries has the smallest population?

What is the capital city of Finland?

What was the name of the rover that landed on Mars last night