A round ball A doughnut A pretzel A flat spiral
2. Unlike most other fish, sharks have no:
Bones Teeth Gills Liver
3. The metal mercury:
Is the hardest known metal Is a liquid at room temperature Is highly radioactive Is extensively used in aircraft construction
4. If you were to take a lump of coal and squeeze for a long time at very high temperatures, you would end up with:
Graphite Volcanic glass, also known as obsidian A smaller lump of coal A diamond
5. It is now believed that dinosaurs became extinct because of:
Viral diseases Hunting by early humans A worldwide period of climatic cooling A meteorite impact
6. Kinetic energy is:
Life energy, possessed only by living organisms Only important at subatomic distances Energy of movement A rare form of energy sometimes observed in deep space
7. Charles Darwin began developing his theory of evolution while voyaging on a ship named:
The Enterprise The Beagle The Santa Maria The Endeavour
8. An android is any robot that:
Has more than one basic function Has the ability to make decisions and formulate plans Is built by other robots Looks and acts like a human
9. What is special about Sirius, the Dog Star?
It is the only star first observed by Albert Einstein It is the brightest star in the sky It always lies directly above the North Pole It emits staccato barking sounds which radio telescopes can detect
10. The platypus and the echidna are the only mammals that:
Lay eggs Have green blood Live in Antarctica Eat eucalyptus leaves