Challenge Crosswords Nature Grandmaster — Set 1
🔬 Science Crossword #1
| 1 | 2 | |||||||||||||
| 3 | ||||||||||||||
| 4 | ||||||||||||||
| 5 | ||||||||||||||
| 6 | ||||||||||||||
| 7 | ||||||||||||||
| 8 | ||||||||||||||
| 9 | 10 | |||||||||||||
| 11 |
Across
- 4. Naturally occurring inorganic solid
- 7. Substance providing immunity
- 8. One body blocking another in space
- 9. Diffusion of water through a membrane
- 11. Large molecule essential for life
Down
- 1. A word related to science
- 2. Smallest discrete unit of energy
- 3. Fourth state of matter
- 5. Group of similar living organisms
- 6. Center of an atom or cell
- 10. A word related to science
Show answers
- 4 Across: Naturally occurring inorganic solid (7)MINERAL
- 7 Across: Substance providing immunity (7)VACCINE
- 8 Across: One body blocking another in space (7)ECLIPSE
- 9 Across: Diffusion of water through a membrane (7)OSMOSIS
- 11 Across: Large molecule essential for life (7)PROTEIN
- 1 Down: A word related to science (10)CRETACEOUS
- 2 Down: Smallest discrete unit of energy (7)QUANTUM
- 3 Down: Fourth state of matter (6)PLASMA
- 5 Down: Group of similar living organisms (7)SPECIES
- 6 Down: Center of an atom or cell (7)NUCLEUS
- 10 Down: A word related to science (4)MOLT
🔬 Science Crossword #2
| 1 | ||||||||||||||
| 2 | 3 | 4 | ||||||||||||
| 5 | ||||||||||||||
| 6 | ||||||||||||||
| 7 | ||||||||||||||
| 8 | ||||||||||||||
| 9 | ||||||||||||||
| 10 | ||||||||||||||
Across
- 4. Center of an atom or cell
- 5. Fourth state of matter
- 7. Naturally occurring inorganic solid
- 8. Uncharged particle in nucleus
- 9. A word related to science
- 10. One body blocking another in space
Down
- 1. A word related to science
- 2. Pure substance on periodic table
- 3. Substance providing immunity
- 6. Smallest discrete unit of energy
- 7. A word related to science
Show answers
- 4 Across: Center of an atom or cell (7)NUCLEUS
- 5 Across: Fourth state of matter (6)PLASMA
- 7 Across: Naturally occurring inorganic solid (7)MINERAL
- 8 Across: Uncharged particle in nucleus (7)NEUTRON
- 9 Across: A word related to science (4)MOLT
- 10 Across: One body blocking another in space (7)ECLIPSE
- 1 Down: A word related to science (13)METAMORPHOSIS
- 2 Down: Pure substance on periodic table (7)ELEMENT
- 3 Down: Substance providing immunity (7)VACCINE
- 6 Down: Smallest discrete unit of energy (7)QUANTUM
- 7 Down: A word related to science (6)MAGGOT
🔬 Science Crossword #3
| 1 | 2 | 3 | ||||||||||||
| 4 | ||||||||||||||
| 5 | ||||||||||||||
| 6 | ||||||||||||||
| 7 | ||||||||||||||
| 8 | ||||||||||||||
| 9 | ||||||||||||||
Across
- 1. A word related to science
- 6. Wearing away of land by water or wind
- 8. Group of similar living organisms
- 9. Substance providing immunity
Down
- 1. Positively charged particle
- 2. Device for controlled nuclear reactions
- 3. One body blocking another in space
- 4. A word related to science
- 5. A word related to science
- 7. Fourth state of matter
Show answers
- 1 Across: A word related to science (8)PARASITE
- 6 Across: Wearing away of land by water or wind (7)EROSION
- 8 Across: Group of similar living organisms (7)SPECIES
- 9 Across: Substance providing immunity (7)VACCINE
- 1 Down: Positively charged particle (6)PROTON
- 2 Down: Device for controlled nuclear reactions (7)REACTOR
- 3 Down: One body blocking another in space (7)ECLIPSE
- 4 Down: A word related to science (6)MAGGOT
- 5 Down: A word related to science (9)PROBOSCIS
- 7 Down: Fourth state of matter (6)PLASMA
🔬 Science Crossword #4
| 1 | 2 | 3 | ||||||||||||
| 4 | ||||||||||||||
| 5 | 6 | |||||||||||||
| 7 | ||||||||||||||
| 8 | ||||||||||||||
| 9 | ||||||||||||||
| 10 | ||||||||||||||
| 11 |
Across
- 1. Positively charged particle
- 4. A word related to science
- 7. Naturally occurring inorganic solid
- 9. Mixture producing intense heat
- 10. A word related to science
- 11. Fourth state of matter
Down
- 2. Diffusion of water through a membrane
- 3. A word related to science
- 5. A word related to science
- 6. Uncharged particle in nucleus
- 8. Center of an atom or cell
Show answers
- 1 Across: Positively charged particle (6)PROTON
- 4 Across: A word related to science (8)MANDIBLE
- 7 Across: Naturally occurring inorganic solid (7)MINERAL
- 9 Across: Mixture producing intense heat (7)THERMIT
- 10 Across: A word related to science (12)COMPOUND EYE
- 11 Across: Fourth state of matter (6)PLASMA
- 2 Down: Diffusion of water through a membrane (7)OSMOSIS
- 3 Down: A word related to science (4)MOLT
- 5 Down: A word related to science (8)THEROPOD
- 6 Down: Uncharged particle in nucleus (7)NEUTRON
- 8 Down: Center of an atom or cell (7)NUCLEUS
🔬 Science Crossword #5
| 1 | 2 | 3 | ||||||||||||
| 4 | ||||||||||||||
| 5 | ||||||||||||||
| 6 | 7 | 8 | ||||||||||||
| 9 | ||||||||||||||
| 10 | ||||||||||||||
| 11 | ||||||||||||||
Across
- 5. Fourth state of matter
- 7. Large molecule essential for life
- 10. Biological catalyst for reactions
- 11. Mixture producing intense heat
Down
- 1. A word related to science
- 2. Smallest discrete unit of energy
- 3. A word related to science
- 4. Force attracting objects to Earth
- 6. A word related to science
- 8. Device for controlled nuclear reactions
- 9. Pure substance on periodic table
Show answers
- 5 Across: Fourth state of matter (6)PLASMA
- 7 Across: Large molecule essential for life (7)PROTEIN
- 10 Across: Biological catalyst for reactions (6)ENZYME
- 11 Across: Mixture producing intense heat (7)THERMIT
- 1 Down: A word related to science (4)MOLT
- 2 Down: Smallest discrete unit of energy (7)QUANTUM
- 3 Down: A word related to science (8)MANDIBLE
- 4 Down: Force attracting objects to Earth (7)GRAVITY
- 6 Down: A word related to science (8)PARASITE
- 8 Down: Device for controlled nuclear reactions (7)REACTOR
- 9 Down: Pure substance on periodic table (7)ELEMENT
Solver Notes
- 4. Naturally occurring inorganic solid
- 7. Substance providing immunity
- 8. One body blocking another in space
- 9. Diffusion of water through a membrane
- 11. Large molecule essential for life
- 1. A word related to science
- 2. Smallest discrete unit of energy
- 3. Fourth state of matter
- 5. Group of similar living organisms
- 6. Center of an atom or cell
- 10. A word related to science
Ready to test your crossword expertise? Our challenge crossword puzzles feature advanced clues, complex grids, and tricky wordplay designed for experienced solvers seeking a real brain workout.
What are challenge crossword puzzles?
Challenge crossword puzzles are expert-level word games featuring advanced vocabulary, complex clue structures, and larger grids. They are designed for experienced crossword solvers who want to push their skills beyond standard difficulty levels.
How do I improve at solving challenge crosswords?
Build your skills gradually by starting with classic crosswords and working up to challenge level. Learn common crossword abbreviations, practice recognizing wordplay patterns, and expand your vocabulary across history, science, and general knowledge topics.
Are challenge crosswords suitable for all ages?
Challenge crosswords are best suited for adults and advanced students who already have strong crossword-solving experience. The difficult clues and specialized vocabulary assume familiarity with crossword conventions and a broad knowledge base.
How many challenge crossword puzzles are available?
Our challenge collection includes expert-level crossword puzzles covering general knowledge, history, science, and mixed topics. Each puzzle is crafted to provide a satisfying difficulty level that tests even the most seasoned crossword enthusiasts.
What is the difference between challenge and daily crosswords?
Daily crosswords offer moderate difficulty suitable for regular solving sessions, while challenge crosswords feature significantly harder clues and more obscure vocabulary. Challenge puzzles typically take longer to complete and reward deep knowledge across many subjects.