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