Puzzle Detail
Classic Crosswords Classic Nature Expert — Set 8
🔬 Science Crossword #1
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Across
- 3. One body blocking another in space
- 4. Solid with ordered atomic structure
- 6. Device for controlled nuclear reactions
- 8. Positively charged particle
- 10. Slow-moving river of ice
- 11. Biological catalyst for reactions
Down
- 1. Substance providing immunity
- 2. Preserved remains of ancient life
- 3. Pure substance on periodic table
- 5. Wearing away of land by water or wind
- 7. Force attracting objects to Earth
- 9. Center of an atom or cell
Show answers
- 3 Across: One body blocking another in space (7)ECLIPSE
- 4 Across: Solid with ordered atomic structure (7)CRYSTAL
- 6 Across: Device for controlled nuclear reactions (7)REACTOR
- 8 Across: Positively charged particle (6)PROTON
- 10 Across: Slow-moving river of ice (7)GLACIER
- 11 Across: Biological catalyst for reactions (6)ENZYME
- 1 Down: Substance providing immunity (7)VACCINE
- 2 Down: Preserved remains of ancient life (6)FOSSIL
- 3 Down: Pure substance on periodic table (7)ELEMENT
- 5 Down: Wearing away of land by water or wind (7)EROSION
- 7 Down: Force attracting objects to Earth (7)GRAVITY
- 9 Down: Center of an atom or cell (7)NUCLEUS
🔬 Science Crossword #2
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Across
- 2. Mixture producing intense heat
- 4. Naturally occurring inorganic solid
- 5. Large molecule essential for life
- 8. Diffusion of water through a membrane
- 10. Slow-moving river of ice
- 11. Fourth state of matter
- 12. Smallest discrete unit of energy
- 13. Force attracting objects to Earth
Down
- 1. Device for controlled nuclear reactions
- 3. Group of similar living organisms
- 6. Wearing away of land by water or wind
- 7. Preserved remains of ancient life
- 9. Pure substance on periodic table
Show answers
- 2 Across: Mixture producing intense heat (7)THERMIT
- 4 Across: Naturally occurring inorganic solid (7)MINERAL
- 5 Across: Large molecule essential for life (7)PROTEIN
- 8 Across: Diffusion of water through a membrane (7)OSMOSIS
- 10 Across: Slow-moving river of ice (7)GLACIER
- 11 Across: Fourth state of matter (6)PLASMA
- 12 Across: Smallest discrete unit of energy (7)QUANTUM
- 13 Across: Force attracting objects to Earth (7)GRAVITY
- 1 Down: Device for controlled nuclear reactions (7)REACTOR
- 3 Down: Group of similar living organisms (7)SPECIES
- 6 Down: Wearing away of land by water or wind (7)EROSION
- 7 Down: Preserved remains of ancient life (6)FOSSIL
- 9 Down: Pure substance on periodic table (7)ELEMENT
🔬 Science Crossword #3
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Across
- 3. Diffusion of water through a membrane
- 5. Positively charged particle
- 7. Fourth state of matter
- 9. Pure substance on periodic table
- 11. Solid with ordered atomic structure
- 12. Wearing away of land by water or wind
Down
- 1. Preserved remains of ancient life
- 2. Large molecule essential for life
- 4. Force attracting objects to Earth
- 6. Uncharged particle in nucleus
- 8. Group of similar living organisms
- 10. Device for controlled nuclear reactions
Show answers
- 3 Across: Diffusion of water through a membrane (7)OSMOSIS
- 5 Across: Positively charged particle (6)PROTON
- 7 Across: Fourth state of matter (6)PLASMA
- 9 Across: Pure substance on periodic table (7)ELEMENT
- 11 Across: Solid with ordered atomic structure (7)CRYSTAL
- 12 Across: Wearing away of land by water or wind (7)EROSION
- 1 Down: Preserved remains of ancient life (6)FOSSIL
- 2 Down: Large molecule essential for life (7)PROTEIN
- 4 Down: Force attracting objects to Earth (7)GRAVITY
- 6 Down: Uncharged particle in nucleus (7)NEUTRON
- 8 Down: Group of similar living organisms (7)SPECIES
- 10 Down: Device for controlled nuclear reactions (7)REACTOR
🔬 Science Crossword #4
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Across
- 5. Device for controlled nuclear reactions
- 6. One body blocking another in space
- 8. Preserved remains of ancient life
- 9. Diffusion of water through a membrane
- 10. Pure substance on periodic table
Down
- 1. Smallest discrete unit of energy
- 2. Naturally occurring inorganic solid
- 3. Large molecule essential for life
- 4. Force attracting objects to Earth
- 7. Wearing away of land by water or wind
Show answers
- 5 Across: Device for controlled nuclear reactions (7)REACTOR
- 6 Across: One body blocking another in space (7)ECLIPSE
- 8 Across: Preserved remains of ancient life (6)FOSSIL
- 9 Across: Diffusion of water through a membrane (7)OSMOSIS
- 10 Across: Pure substance on periodic table (7)ELEMENT
- 1 Down: Smallest discrete unit of energy (7)QUANTUM
- 2 Down: Naturally occurring inorganic solid (7)MINERAL
- 3 Down: Large molecule essential for life (7)PROTEIN
- 4 Down: Force attracting objects to Earth (7)GRAVITY
- 7 Down: Wearing away of land by water or wind (7)EROSION
🔬 Science Crossword #5
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Across
- 4. Preserved remains of ancient life
- 7. Device for controlled nuclear reactions
- 9. Group of similar living organisms
- 11. Force attracting objects to Earth
- 12. Large molecule essential for life
Down
- 1. Wearing away of land by water or wind
- 2. Smallest discrete unit of energy
- 3. Diffusion of water through a membrane
- 5. Slow-moving river of ice
- 6. Solid with ordered atomic structure
- 8. Uncharged particle in nucleus
- 10. Positively charged particle
Show answers
- 4 Across: Preserved remains of ancient life (6)FOSSIL
- 7 Across: Device for controlled nuclear reactions (7)REACTOR
- 9 Across: Group of similar living organisms (7)SPECIES
- 11 Across: Force attracting objects to Earth (7)GRAVITY
- 12 Across: Large molecule essential for life (7)PROTEIN
- 1 Down: Wearing away of land by water or wind (7)EROSION
- 2 Down: Smallest discrete unit of energy (7)QUANTUM
- 3 Down: Diffusion of water through a membrane (7)OSMOSIS
- 5 Down: Slow-moving river of ice (7)GLACIER
- 6 Down: Solid with ordered atomic structure (7)CRYSTAL
- 8 Down: Uncharged particle in nucleus (7)NEUTRON
- 10 Down: Positively charged particle (6)PROTON
Solver Notes
Enjoy our collection of classic crossword puzzles featuring traditional grid layouts and a wide range of topics. Each puzzle is free to download, print, and solve at your own pace.
What are classic crossword puzzles?
Classic crossword puzzles use a traditional symmetric grid where solvers fill in words based on numbered clues. Each puzzle features interlocking horizontal and vertical answers that share common letters, creating an engaging word challenge.
How do I solve a classic crossword puzzle?
Start with the clues you know for certain and fill in those answers first. Use the crossing letters to help you figure out harder clues. Work through the across and down clues systematically, and don't be afraid to use a pencil so you can erase.
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What is the difference between classic and quick crosswords?
Classic crossword puzzles use larger grids with more complex clues and require broader vocabulary knowledge. Quick crosswords feature smaller grids and simpler clues, making them faster to complete and more accessible for beginners.