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