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