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. Solve every clue, then open the vault.
| Vault slot | Clue | Answer | Take letter |
|---|---|---|---|
| 1 | Center of an atom or a cell |
|
7th |
| 2 | A netlike structure in the cytoplasm of animal cells |
|
12th |
| 3 | A unicellular organism having cells lacking membrane-bound nuclei |
|
8th |
| 4 | A thin ___ enclosing the cytoplasm of a ___ |
|
9th |
| 5 | An organelle in the cytoplasm of a living cell |
|
7th |