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