| Hint | Answer | % Correct |
|---|---|---|
| Humans have 206 of them | Bones | 100%
|
| Hardest substance on earth | Diamond | 91%
|
| What element are both of the above minerals made from? | Carbon | 89%
|
| What theory states that universe expanded from an extremely hot dense state about 13.8 billion years ago? | The big bang | 88%
|
| What type of mineral is pencil "lead" made from? | Graphite | 80%
|
| What is the only planet that spins clockwise? | Venus | 79%
|
| Where can you find Olympus Mons? | Mars | 77%
|
| Electrically charged atom. | Ion | 76%
|
| What does a chronometer measure? | Time | 76%
|
| What is a single particle of light called? | Photon | 74%
|
| Human nails are made of this | Keratin | 71%
|
| Through what process does the sun turn hydrogen into helium? | Nuclear fusion | 67%
|
| Largest desert in the world | Antarctica | 64%
|
| What unit of power is defined as one joule per second? | Watt | 64%
|
| Part of the human body that serves the purpose of maintaining balance | Ears | 39%
|