Challenge Crosswords Nature Grandmaster — Set 7
🔬 Science Crossword #1
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Across
- 1. Smallest discrete unit of energy
- 3. Solid with ordered atomic structure
- 6. Force attracting objects to Earth
- 8. Group of similar living organisms
- 10. A word related to science
- 11. Substance providing immunity
Down
- 2. A word related to science
- 4. Mixture producing intense heat
- 5. Fourth state of matter
- 7. A word related to science
- 9. Biological catalyst for reactions
Show answers
- 1 Across: Smallest discrete unit of energy (7)QUANTUM
- 3 Across: Solid with ordered atomic structure (7)CRYSTAL
- 6 Across: Force attracting objects to Earth (7)GRAVITY
- 8 Across: Group of similar living organisms (7)SPECIES
- 10 Across: A word related to science (6)MAGGOT
- 11 Across: Substance providing immunity (7)VACCINE
- 2 Down: A word related to science (4)MOLT
- 4 Down: Mixture producing intense heat (7)THERMIT
- 5 Down: Fourth state of matter (6)PLASMA
- 7 Down: A word related to science (8)THEROPOD
- 9 Down: Biological catalyst for reactions (6)ENZYME
🔬 Science Crossword #2
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Across
- 1. A word related to science
- 4. Uncharged particle in nucleus
- 6. Preserved remains of ancient life
- 7. Slow-moving river of ice
- 9. Pure substance on periodic table
- 11. Large molecule essential for life
Down
- 2. A word related to science
- 3. Wearing away of land by water or wind
- 5. Device for controlled nuclear reactions
- 8. One body blocking another in space
- 10. A word related to science
Show answers
- 1 Across: A word related to science (13)METAMORPHOSIS
- 4 Across: Uncharged particle in nucleus (7)NEUTRON
- 6 Across: Preserved remains of ancient life (6)FOSSIL
- 7 Across: Slow-moving river of ice (7)GLACIER
- 9 Across: Pure substance on periodic table (7)ELEMENT
- 11 Across: Large molecule essential for life (7)PROTEIN
- 2 Down: A word related to science (8)MANDIBLE
- 3 Down: Wearing away of land by water or wind (7)EROSION
- 5 Down: Device for controlled nuclear reactions (7)REACTOR
- 8 Down: One body blocking another in space (7)ECLIPSE
- 10 Down: A word related to science (6)MAGGOT
🔬 Science Crossword #3
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Across
- 5. A word related to science
- 7. Preserved remains of ancient life
- 9. A word related to science
- 10. Positively charged particle
- 11. Substance providing immunity
Down
- 1. A word related to science
- 2. Uncharged particle in nucleus
- 3. Smallest discrete unit of energy
- 4. A word related to science
- 6. Solid with ordered atomic structure
- 8. A word related to science
Show answers
- 5 Across: A word related to science (9)NOCTURNAL
- 7 Across: Preserved remains of ancient life (6)FOSSIL
- 9 Across: A word related to science (6)LARVAE
- 10 Across: Positively charged particle (6)PROTON
- 11 Across: Substance providing immunity (7)VACCINE
- 1 Down: A word related to science (13)METAMORPHOSIS
- 2 Down: Uncharged particle in nucleus (7)NEUTRON
- 3 Down: Smallest discrete unit of energy (7)QUANTUM
- 4 Down: A word related to science (8)MANDIBLE
- 6 Down: Solid with ordered atomic structure (7)CRYSTAL
- 8 Down: A word related to science (9)PROBOSCIS
🔬 Science Crossword #4
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Across
- 2. Slow-moving river of ice
- 4. A word related to science
- 7. Smallest discrete unit of energy
- 9. Group of similar living organisms
- 10. Substance providing immunity
Down
- 1. A word related to science
- 3. Device for controlled nuclear reactions
- 5. Diffusion of water through a membrane
- 6. A word related to science
- 8. A word related to science
Show answers
- 2 Across: Slow-moving river of ice (7)GLACIER
- 4 Across: A word related to science (8)THEROPOD
- 7 Across: Smallest discrete unit of energy (7)QUANTUM
- 9 Across: Group of similar living organisms (7)SPECIES
- 10 Across: Substance providing immunity (7)VACCINE
- 1 Down: A word related to science (9)PROBOSCIS
- 3 Down: Device for controlled nuclear reactions (7)REACTOR
- 5 Down: Diffusion of water through a membrane (7)OSMOSIS
- 6 Down: A word related to science (8)PARASITE
- 8 Down: A word related to science (6)MAGGOT
🔬 Science Crossword #5
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Across
- 1. A word related to science
- 4. Group of similar living organisms
- 6. Uncharged particle in nucleus
- 7. A word related to science
- 9. Force attracting objects to Earth
- 10. A word related to science
Down
- 2. A word related to science
- 3. A word related to science
- 5. A word related to science
- 8. Solid with ordered atomic structure
Show answers
- 1 Across: A word related to science (12)COMPOUND EYE
- 4 Across: Group of similar living organisms (7)SPECIES
- 6 Across: Uncharged particle in nucleus (7)NEUTRON
- 7 Across: A word related to science (6)MAGGOT
- 9 Across: Force attracting objects to Earth (7)GRAVITY
- 10 Across: A word related to science (9)NOCTURNAL
- 2 Down: A word related to science (4)MOLT
- 3 Down: A word related to science (12)EXPERIMENTAL
- 5 Down: A word related to science (9)PROBOSCIS
- 8 Down: Solid with ordered atomic structure (7)CRYSTAL
Solver Notes
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.
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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?
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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.