1. The Richter Scale is a scale for measuring what?

The magnitude of earthquakes

The height of mountains

The magnitude of volcanic eruptions

2. How many teeth does an adult normally have?

40

32

28

3. Which nationality watches the most television?

The British

The Americans

The Italians

4. What is the name of the world's largest lake?

Caspian Sea

Lake Victoria

Lake Michigan

5. What is the green pigment inside leaves?

Algae

Fungi

Clorophyll

6. Why did the Vikings dye their sails blood red?

Red symbolized victory

To frighten people who saw them coming

So that they were visible on the horizon

7. What political system was first developed in Athens in the fifth century BC?

Monarchy

Democracy

Oligarchy

8. What produced visible light for the first time in 1960?

A hologram

The electric light bulb

The laser

9. An increase in the levels of which hormone causes a young boy's voice to break?

Epinephrine

Insulin

Testosterone

10. What is the fastest sport?

Tennis

Ice hockey

Snowboarding