Classic Crosswords Classic Nature Hard — Set 10
🔬 Science Crossword #1
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Across
- 1. Positively charged particle
- 4. One body blocking another in space
- 7. Uncharged particle in nucleus
- 9. Slow-moving river of ice
- 10. Wearing away of land by water or wind
- 11. Mixture producing intense heat
Down
- 1. Large molecule essential for life
- 2. A word related to science
- 3. A word related to science
- 5. A word related to science
- 6. Smallest discrete unit of energy
- 8. Pure substance on periodic table
Show answers
- 1 Across: Positively charged particle (6)PROTON
- 4 Across: One body blocking another in space (7)ECLIPSE
- 7 Across: Uncharged particle in nucleus (7)NEUTRON
- 9 Across: Slow-moving river of ice (7)GLACIER
- 10 Across: Wearing away of land by water or wind (7)EROSION
- 11 Across: Mixture producing intense heat (7)THERMIT
- 1 Down: Large molecule essential for life (7)PROTEIN
- 2 Down: A word related to science (13)METAMORPHOSIS
- 3 Down: A word related to science (12)EXPERIMENTAL
- 5 Down: A word related to science (6)MAGGOT
- 6 Down: Smallest discrete unit of energy (7)QUANTUM
- 8 Down: Pure substance on periodic table (7)ELEMENT
🔬 Science Crossword #2
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Across
- 3. Uncharged particle in nucleus
- 7. A word related to science
- 9. Naturally occurring inorganic solid
- 10. Group of similar living organisms
Down
- 1. A word related to science
- 2. Positively charged particle
- 4. Wearing away of land by water or wind
- 5. Force attracting objects to Earth
- 6. A word related to science
- 8. Diffusion of water through a membrane
Show answers
- 3 Across: Uncharged particle in nucleus (7)NEUTRON
- 7 Across: A word related to science (9)NOCTURNAL
- 9 Across: Naturally occurring inorganic solid (7)MINERAL
- 10 Across: Group of similar living organisms (7)SPECIES
- 1 Down: A word related to science (12)BENEFICIALLY
- 2 Down: Positively charged particle (6)PROTON
- 4 Down: Wearing away of land by water or wind (7)EROSION
- 5 Down: Force attracting objects to Earth (7)GRAVITY
- 6 Down: A word related to science (9)PROBOSCIS
- 8 Down: Diffusion of water through a membrane (7)OSMOSIS
🔬 Science Crossword #3
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Across
- 4. A word related to science
- 7. Group of similar living organisms
- 9. Positively charged particle
- 10. Mixture producing intense heat
- 11. Solid with ordered atomic structure
Down
- 1. One body blocking another in space
- 2. Biological catalyst for reactions
- 3. A word related to science
- 5. Uncharged particle in nucleus
- 6. A word related to science
- 8. Wearing away of land by water or wind
- 9. A word related to science
Show answers
- 4 Across: A word related to science (8)MANDIBLE
- 7 Across: Group of similar living organisms (7)SPECIES
- 9 Across: Positively charged particle (6)PROTON
- 10 Across: Mixture producing intense heat (7)THERMIT
- 11 Across: Solid with ordered atomic structure (7)CRYSTAL
- 1 Down: One body blocking another in space (7)ECLIPSE
- 2 Down: Biological catalyst for reactions (6)ENZYME
- 3 Down: A word related to science (10)BENEFICIAL
- 5 Down: Uncharged particle in nucleus (7)NEUTRON
- 6 Down: A word related to science (12)BENEFICIALLY
- 8 Down: Wearing away of land by water or wind (7)EROSION
- 9 Down: A word related to science (8)PARASITE
🔬 Science Crossword #4
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Across
- 2. Large molecule essential for life
- 3. Center of an atom or cell
- 6. A word related to science
- 7. Positively charged particle
- 8. A word related to science
- 9. Slow-moving river of ice
Down
- 1. Wearing away of land by water or wind
- 2. Fourth state of matter
- 4. One body blocking another in space
- 5. A word related to science
Show answers
- 2 Across: Large molecule essential for life (7)PROTEIN
- 3 Across: Center of an atom or cell (7)NUCLEUS
- 6 Across: A word related to science (6)MAGGOT
- 7 Across: Positively charged particle (6)PROTON
- 8 Across: A word related to science (8)PARASITE
- 9 Across: Slow-moving river of ice (7)GLACIER
- 1 Down: Wearing away of land by water or wind (7)EROSION
- 2 Down: Fourth state of matter (6)PLASMA
- 4 Down: One body blocking another in space (7)ECLIPSE
- 5 Down: A word related to science (9)NOCTURNAL
🔬 Science Crossword #5
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Across
- 3. Preserved remains of ancient life
- 5. Substance providing immunity
- 6. Wearing away of land by water or wind
- 8. Center of an atom or cell
- 9. Slow-moving river of ice
- 10. Positively charged particle
Down
- 1. A word related to science
- 2. A word related to science
- 4. Group of similar living organisms
- 7. Uncharged particle in nucleus
Show answers
- 3 Across: Preserved remains of ancient life (6)FOSSIL
- 5 Across: Substance providing immunity (7)VACCINE
- 6 Across: Wearing away of land by water or wind (7)EROSION
- 8 Across: Center of an atom or cell (7)NUCLEUS
- 9 Across: Slow-moving river of ice (7)GLACIER
- 10 Across: Positively charged particle (6)PROTON
- 1 Down: A word related to science (13)METAMORPHOSIS
- 2 Down: A word related to science (9)NOCTURNAL
- 4 Down: Group of similar living organisms (7)SPECIES
- 7 Down: Uncharged particle in nucleus (7)NEUTRON
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.
Who are classic crosswords best suited for?
Classic crossword puzzles are ideal for adults and older students who enjoy vocabulary challenges and general knowledge trivia. They work well for solo relaxation, classroom activities, or group puzzle-solving sessions.
How many classic crossword puzzles are available?
Our library includes dozens of classic crossword puzzles spanning topics like general knowledge, geography, history, and sports. New puzzles are added regularly so you always have fresh challenges to print and solve.
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.