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