Classic Crosswords Classic Science Hard — Set 7
🔬 Science Crossword #1
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Across
- 1. Wearing away of land by water or wind
- 4. Slow-moving river of ice
- 6. Substance providing immunity
- 7. A word related to science
- 10. Force attracting objects to Earth
Down
- 2. Diffusion of water through a membrane
- 3. Device for controlled nuclear reactions
- 5. Solid with ordered atomic structure
- 8. One body blocking another in space
- 9. Large molecule essential for life
Show answers
- 1 Across: Wearing away of land by water or wind (7)EROSION
- 4 Across: Slow-moving river of ice (7)GLACIER
- 6 Across: Substance providing immunity (7)VACCINE
- 7 Across: A word related to science (13)METAMORPHOSIS
- 10 Across: Force attracting objects to Earth (7)GRAVITY
- 2 Down: Diffusion of water through a membrane (7)OSMOSIS
- 3 Down: Device for controlled nuclear reactions (7)REACTOR
- 5 Down: Solid with ordered atomic structure (7)CRYSTAL
- 8 Down: One body blocking another in space (7)ECLIPSE
- 9 Down: Large molecule essential for life (7)PROTEIN
🔬 Science Crossword #2
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Across
- 3. Force attracting objects to Earth
- 4. Device for controlled nuclear reactions
- 5. A word related to science
- 8. A word related to science
- 9. Pure substance on periodic table
- 10. Substance providing immunity
Down
- 1. Wearing away of land by water or wind
- 2. A word related to science
- 6. Large molecule essential for life
- 7. Solid with ordered atomic structure
Show answers
- 3 Across: Force attracting objects to Earth (7)GRAVITY
- 4 Across: Device for controlled nuclear reactions (7)REACTOR
- 5 Across: A word related to science (8)THEROPOD
- 8 Across: A word related to science (4)ATOM
- 9 Across: Pure substance on periodic table (7)ELEMENT
- 10 Across: Substance providing immunity (7)VACCINE
- 1 Down: Wearing away of land by water or wind (7)EROSION
- 2 Down: A word related to science (11)KINESTHETIC
- 6 Down: Large molecule essential for life (7)PROTEIN
- 7 Down: Solid with ordered atomic structure (7)CRYSTAL
🔬 Science Crossword #3
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Across
- 2. Preserved remains of ancient life
- 4. Solid with ordered atomic structure
- 5. Fourth state of matter
- 6. One body blocking another in space
- 8. Group of similar living organisms
- 10. A word related to science
- 11. Biological catalyst for reactions
Down
- 1. A word related to science
- 3. Diffusion of water through a membrane
- 7. Large molecule essential for life
- 9. Positively charged particle
Show answers
- 2 Across: Preserved remains of ancient life (6)FOSSIL
- 4 Across: Solid with ordered atomic structure (7)CRYSTAL
- 5 Across: Fourth state of matter (6)PLASMA
- 6 Across: One body blocking another in space (7)ECLIPSE
- 8 Across: Group of similar living organisms (7)SPECIES
- 10 Across: A word related to science (8)MANDIBLE
- 11 Across: Biological catalyst for reactions (6)ENZYME
- 1 Down: A word related to science (11)KINESTHETIC
- 3 Down: Diffusion of water through a membrane (7)OSMOSIS
- 7 Down: Large molecule essential for life (7)PROTEIN
- 9 Down: Positively charged particle (6)PROTON
🔬 Science Crossword #4
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Across
- 1. Device for controlled nuclear reactions
- 3. A word related to science
- 5. Substance providing immunity
- 7. Wearing away of land by water or wind
- 9. One body blocking another in space
- 10. Uncharged particle in nucleus
Down
- 2. A word related to science
- 4. A word related to science
- 6. Group of similar living organisms
- 8. A word related to science
Show answers
- 1 Across: Device for controlled nuclear reactions (7)REACTOR
- 3 Across: A word related to science (10)CRETACEOUS
- 5 Across: Substance providing immunity (7)VACCINE
- 7 Across: Wearing away of land by water or wind (7)EROSION
- 9 Across: One body blocking another in space (7)ECLIPSE
- 10 Across: Uncharged particle in nucleus (7)NEUTRON
- 2 Down: A word related to science (15)THERIZINOSAURUS
- 4 Down: A word related to science (8)BUOYANCY
- 6 Down: Group of similar living organisms (7)SPECIES
- 8 Down: A word related to science (8)THEROPOD
🔬 Science Crossword #5
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Across
- 2. A word related to science
- 7. Diffusion of water through a membrane
- 9. Device for controlled nuclear reactions
- 10. Preserved remains of ancient life
- 11. Center of an atom or cell
Down
- 1. Positively charged particle
- 3. A word related to science
- 4. Biological catalyst for reactions
- 5. Uncharged particle in nucleus
- 6. Large molecule essential for life
- 8. Solid with ordered atomic structure
Show answers
- 2 Across: A word related to science (8)THEROPOD
- 7 Across: Diffusion of water through a membrane (7)OSMOSIS
- 9 Across: Device for controlled nuclear reactions (7)REACTOR
- 10 Across: Preserved remains of ancient life (6)FOSSIL
- 11 Across: Center of an atom or cell (7)NUCLEUS
- 1 Down: Positively charged particle (6)PROTON
- 3 Down: A word related to science (12)EXPERIMENTAL
- 4 Down: Biological catalyst for reactions (6)ENZYME
- 5 Down: Uncharged particle in nucleus (7)NEUTRON
- 6 Down: Large molecule essential for life (7)PROTEIN
- 8 Down: Solid with ordered atomic structure (7)CRYSTAL
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.