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