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