| Question | Your Answer | Hint |
|---|
| What period did reptiles first appear? | |
| What major organism appeared in the Holocene Epoch? | |
| The Tertiary Period is in which era? | |
| How many periods are in the Mesozoic Era? | |
| How many eras are there? | |
| What era did the first multicelled organisms appear? | |
| Land plant fossils were first dated back to which period? | |
| Which period did the tiger first appear? | |
| | Question | Your Answer | Hint |
|---|
| List one era from the Phanerozoic Eon. | |
| What eon were the first shells found? | |
| How many eras are in the Phanerozoic Eon? | |
| The earliest rocks were first dated back to which eon? | |
| How many millions of years ago was the last major extinction? | |
| What period did the first vertebrates appear? | |
| We live in the ____________ Period. | |
|
Periodic Table
Planets from the Sun
Digits of Pi
