Challenge Crosswords Science Grandmaster — Set 1
🔬 Science Crossword #1
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Across
- 1. A word related to science
- 4. Pure substance on periodic table
- 9. Positively charged particle
- 10. Diffusion of water through a membrane
- 11. Smallest discrete unit of energy
Down
- 2. A word related to science
- 3. A word related to science
- 5. Wearing away of land by water or wind
- 6. Center of an atom or cell
- 7. A word related to science
- 8. Biological catalyst for reactions
Show answers
- 1 Across: A word related to science (11)APATOSAURUS
- 4 Across: Pure substance on periodic table (7)ELEMENT
- 9 Across: Positively charged particle (6)PROTON
- 10 Across: Diffusion of water through a membrane (7)OSMOSIS
- 11 Across: Smallest discrete unit of energy (7)QUANTUM
- 2 Down: A word related to science (8)THEROPOD
- 3 Down: A word related to science (12)REPRODUCTION
- 5 Down: Wearing away of land by water or wind (7)EROSION
- 6 Down: Center of an atom or cell (7)NUCLEUS
- 7 Down: A word related to science (9)ECOSYSTEM
- 8 Down: Biological catalyst for reactions (6)ENZYME
🔬 Science Crossword #2
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Across
- 1. Pure substance on periodic table
- 5. Solid with ordered atomic structure
- 8. A word related to science
- 10. A word related to science
Down
- 1. Biological catalyst for reactions
- 2. One body blocking another in space
- 3. Force attracting objects to Earth
- 4. A word related to science
- 6. A word related to science
- 7. Center of an atom or cell
- 9. Large molecule essential for life
Show answers
- 1 Across: Pure substance on periodic table (7)ELEMENT
- 5 Across: Solid with ordered atomic structure (7)CRYSTAL
- 8 Across: A word related to science (12)REPRODUCTION
- 10 Across: A word related to science (4)ATOM
- 1 Down: Biological catalyst for reactions (6)ENZYME
- 2 Down: One body blocking another in space (7)ECLIPSE
- 3 Down: Force attracting objects to Earth (7)GRAVITY
- 4 Down: A word related to science (8)THEROPOD
- 6 Down: A word related to science (9)ECOSYSTEM
- 7 Down: Center of an atom or cell (7)NUCLEUS
- 9 Down: Large molecule essential for life (7)PROTEIN
🔬 Science Crossword #3
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Across
- 1. Substance providing immunity
- 6. Device for controlled nuclear reactions
- 8. Smallest discrete unit of energy
- 9. Biological catalyst for reactions
- 10. Force attracting objects to Earth
Down
- 2. Uncharged particle in nucleus
- 3. One body blocking another in space
- 4. Preserved remains of ancient life
- 5. Center of an atom or cell
- 7. Pure substance on periodic table
Show answers
- 1 Across: Substance providing immunity (7)VACCINE
- 6 Across: Device for controlled nuclear reactions (7)REACTOR
- 8 Across: Smallest discrete unit of energy (7)QUANTUM
- 9 Across: Biological catalyst for reactions (6)ENZYME
- 10 Across: Force attracting objects to Earth (7)GRAVITY
- 2 Down: Uncharged particle in nucleus (7)NEUTRON
- 3 Down: One body blocking another in space (7)ECLIPSE
- 4 Down: Preserved remains of ancient life (6)FOSSIL
- 5 Down: Center of an atom or cell (7)NUCLEUS
- 7 Down: Pure substance on periodic table (7)ELEMENT
🔬 Science Crossword #4
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Across
- 4. One body blocking another in space
- 5. Solid with ordered atomic structure
- 7. Uncharged particle in nucleus
- 9. A word related to science
- 10. Large molecule essential for life
Down
- 1. A word related to science
- 2. Substance providing immunity
- 3. Slow-moving river of ice
- 6. A word related to science
- 8. Diffusion of water through a membrane
Show answers
- 4 Across: One body blocking another in space (7)ECLIPSE
- 5 Across: Solid with ordered atomic structure (7)CRYSTAL
- 7 Across: Uncharged particle in nucleus (7)NEUTRON
- 9 Across: A word related to science (4)ATOM
- 10 Across: Large molecule essential for life (7)PROTEIN
- 1 Down: A word related to science (9)ECOSYSTEM
- 2 Down: Substance providing immunity (7)VACCINE
- 3 Down: Slow-moving river of ice (7)GLACIER
- 6 Down: A word related to science (8)THEROPOD
- 8 Down: Diffusion of water through a membrane (7)OSMOSIS
🔬 Science Crossword #5
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Across
- 6. Preserved remains of ancient life
- 7. A word related to science
- 9. Solid with ordered atomic structure
- 10. Center of an atom or cell
Down
- 1. Slow-moving river of ice
- 2. Substance providing immunity
- 3. Mixture producing intense heat
- 4. Positively charged particle
- 5. Naturally occurring inorganic solid
- 7. Force attracting objects to Earth
- 8. Diffusion of water through a membrane
Show answers
- 6 Across: Preserved remains of ancient life (6)FOSSIL
- 7 Across: A word related to science (12)GENERATIONAL
- 9 Across: Solid with ordered atomic structure (7)CRYSTAL
- 10 Across: Center of an atom or cell (7)NUCLEUS
- 1 Down: Slow-moving river of ice (7)GLACIER
- 2 Down: Substance providing immunity (7)VACCINE
- 3 Down: Mixture producing intense heat (7)THERMIT
- 4 Down: Positively charged particle (6)PROTON
- 5 Down: Naturally occurring inorganic solid (7)MINERAL
- 7 Down: Force attracting objects to Earth (7)GRAVITY
- 8 Down: Diffusion of water through a membrane (7)OSMOSIS
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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