Both directions use the same worksheet. The shaded box in each answer is the letter to copy into the matching vault slot.
Name: ______________________ Date: ____________
Solve a clue and copy the shaded letter from your answer into the matching vault slot. Solve the clues in any order. Spaces don't count as letters. Open the vault with as few clues as you can. Solve a clue, copy its letter, and try the vault whenever you think you know the word.
| Vault slot | Clue | Answer | Take letter |
|---|---|---|---|
| 1 | One of two or more atoms with the same atomic number but with different numbers of neutrons |
|
2nd |
| 2 | Two or more atoms bound together as a single unit and forming part of a molecule |
|
4th |
| 3 | How much matter something contains |
|
1st |
| 4 | A substance formed by chemical union of two or more elements or ingredients in definite proportion |
|
3rd |
| 5 | An abstract part of something |
|
5th |
| 6 | An elementary particle with 0 charge and mass about equal to a proton |
|
5th |