School Science Fair Logic Puzzle

HARD 4x5

Each student from Maplewood Middle School was required to submit a science project for the recent Science Fair, which ended with a competition for the best project. Can you determine the name of the student each project belonged to, their position in the competition, and what the strength was that the judges believed set their projects apart for a top 5 position?

Name ProjectStrength
MaryanneNathanielEmilyCharlieFinleyErupting VolcanoSolar System ModelElectric Circuit DesignSeed Germination RatesSolar Energy GenerationGreat ResearchCreativityPotential ImpactClarityAttention To Detail
StrengthGreat Research
Potential Impact
Attention To Detail
ProjectErupting Volcano
Solar System Model
Electric Circuit Design
Seed Germination Rates
Solar Energy Generation
Zoom In Zoom In Reset Zoom to 100%


1) Of Nathaniel and the student who was applauded for their creativity, one was placed 2nd and the other had the Solar Energy Generation project.
2) Finley placed one position better than the student whose strength was remarked as being their attention to detail.
3) Charlie had the next placing after the student who was lauded for their projects clarity.
4) The five unique students are Charlie, Nathaniel, the one who placed 3rd, the one who showed attention to detail, and the one with the Seed Germination Rates project.
5) The student with the Electric Circuit Design project performed somewhat better in the competition than the student with the Erupting Volcano.
6) Of the student who placed 3rd and the student who won their position based on the potential impact of their project, one is Finley and the other had the Seed Germination Rates project.
7) Of the student who created the Solar System Model and the student who placed 5th, one was praised for their great research and the other is Maryanne.
8) The Solar System Model did not place 2nd.
9) The student who showed attention to detail (thanks to a little help from dad) won the position two places after the student who showed tremendous creativity.
Click clues you've solved to remove them from this list.

Results (filled automatically)


Quick Links

→ Next Puzzle: Down The Drain (Hard)

How To Play This Logic Puzzle
  1. Read the introduction and scan the clues. You can work through the clues in order, but the best approach is to attack the simplest clues first.
  2. Mark the clue information in the grid by clicking once in the relevant cell/square for an X (meaning false) and twice for a tick (true).
  3. If you make a mistake on a ticked cell, click again in that cell and it will clear. Or, to clear an X, click twice in that cell to clear.
  4. Once you have extracted all information from a clue, click on the clue to move it to the Solved Clues list.
  5. Some clues will need to be revisited once you have filled out more information in the grid. Keep working through them logically until you have completed the puzzle.
  6. Your answers will be checked automatically once you have filled out all squares.
  7. For more detailed illustrated guides on solving logic puzzles, check out the Quick Links section above these instructions.

If you enjoyed solving this puzzle, please share it with your friends!