Puzzle Detail
Classic Crosswords Classic Science Expert — Set 9
🔬 Science Crossword #1
| 1 | ||||||||||||||
| 2 | 3 | |||||||||||||
| 4 | ||||||||||||||
| 5 | ||||||||||||||
| 6 | ||||||||||||||
| 7 | 8 | |||||||||||||
| 9 | ||||||||||||||
| 10 | 11 | |||||||||||||
| 12 | ||||||||||||||
| 13 | ||||||||||||||
Across
- 3. Positively charged particle
- 4. Diffusion of water through a membrane
- 6. Naturally occurring inorganic solid
- 9. Wearing away of land by water or wind
- 12. Pure substance on periodic table
- 13. Mixture producing intense heat
Down
- 1. Preserved remains of ancient life
- 2. Fourth state of matter
- 5. Solid with ordered atomic structure
- 7. Biological catalyst for reactions
- 8. Group of similar living organisms
- 9. One body blocking another in space
- 10. Force attracting objects to Earth
- 11. Large molecule essential for life
Show answers
- 3 Across: Positively charged particle (6)PROTON
- 4 Across: Diffusion of water through a membrane (7)OSMOSIS
- 6 Across: Naturally occurring inorganic solid (7)MINERAL
- 9 Across: Wearing away of land by water or wind (7)EROSION
- 12 Across: Pure substance on periodic table (7)ELEMENT
- 13 Across: Mixture producing intense heat (7)THERMIT
- 1 Down: Preserved remains of ancient life (6)FOSSIL
- 2 Down: Fourth state of matter (6)PLASMA
- 5 Down: Solid with ordered atomic structure (7)CRYSTAL
- 7 Down: Biological catalyst for reactions (6)ENZYME
- 8 Down: Group of similar living organisms (7)SPECIES
- 9 Down: One body blocking another in space (7)ECLIPSE
- 10 Down: Force attracting objects to Earth (7)GRAVITY
- 11 Down: Large molecule essential for life (7)PROTEIN
🔬 Science Crossword #2
| 1 | 2 | |||||||||||||
| 3 | 4 | |||||||||||||
| 5 | ||||||||||||||
| 6 | ||||||||||||||
| 7 | ||||||||||||||
| 8 | 9 | |||||||||||||
| 10 | ||||||||||||||
| 11 | ||||||||||||||
| 12 | ||||||||||||||
| 13 | ||||||||||||||
Across
- 3. Solid with ordered atomic structure
- 5. Wearing away of land by water or wind
- 6. Mixture producing intense heat
- 8. Preserved remains of ancient life
- 11. Biological catalyst for reactions
- 12. Force attracting objects to Earth
- 13. Positively charged particle
Down
- 1. Fourth state of matter
- 2. Smallest discrete unit of energy
- 4. Group of similar living organisms
- 7. Naturally occurring inorganic solid
- 9. Large molecule essential for life
- 10. Uncharged particle in nucleus
Show answers
- 3 Across: Solid with ordered atomic structure (7)CRYSTAL
- 5 Across: Wearing away of land by water or wind (7)EROSION
- 6 Across: Mixture producing intense heat (7)THERMIT
- 8 Across: Preserved remains of ancient life (6)FOSSIL
- 11 Across: Biological catalyst for reactions (6)ENZYME
- 12 Across: Force attracting objects to Earth (7)GRAVITY
- 13 Across: Positively charged particle (6)PROTON
- 1 Down: Fourth state of matter (6)PLASMA
- 2 Down: Smallest discrete unit of energy (7)QUANTUM
- 4 Down: Group of similar living organisms (7)SPECIES
- 7 Down: Naturally occurring inorganic solid (7)MINERAL
- 9 Down: Large molecule essential for life (7)PROTEIN
- 10 Down: Uncharged particle in nucleus (7)NEUTRON
🔬 Science Crossword #3
| 1 | 2 | |||||||||||||
| 3 | 4 | |||||||||||||
| 5 | 6 | |||||||||||||
| 7 | ||||||||||||||
| 8 | ||||||||||||||
| 9 | ||||||||||||||
| 10 | 11 | |||||||||||||
| 12 | ||||||||||||||
Across
- 3. Slow-moving river of ice
- 5. Preserved remains of ancient life
- 6. Wearing away of land by water or wind
- 8. Uncharged particle in nucleus
- 10. Substance providing immunity
- 12. Pure substance on periodic table
Down
- 1. One body blocking another in space
- 2. Diffusion of water through a membrane
- 4. Positively charged particle
- 7. Force attracting objects to Earth
- 8. Center of an atom or cell
- 9. Naturally occurring inorganic solid
- 11. Biological catalyst for reactions
Show answers
- 3 Across: Slow-moving river of ice (7)GLACIER
- 5 Across: Preserved remains of ancient life (6)FOSSIL
- 6 Across: Wearing away of land by water or wind (7)EROSION
- 8 Across: Uncharged particle in nucleus (7)NEUTRON
- 10 Across: Substance providing immunity (7)VACCINE
- 12 Across: Pure substance on periodic table (7)ELEMENT
- 1 Down: One body blocking another in space (7)ECLIPSE
- 2 Down: Diffusion of water through a membrane (7)OSMOSIS
- 4 Down: Positively charged particle (6)PROTON
- 7 Down: Force attracting objects to Earth (7)GRAVITY
- 8 Down: Center of an atom or cell (7)NUCLEUS
- 9 Down: Naturally occurring inorganic solid (7)MINERAL
- 11 Down: Biological catalyst for reactions (6)ENZYME
🔬 Science Crossword #4
| 1 | 2 | 3 | ||||||||||||
| 4 | ||||||||||||||
| 5 | ||||||||||||||
| 6 | ||||||||||||||
| 7 | ||||||||||||||
| 8 | 9 | |||||||||||||
| 10 | ||||||||||||||
Across
- 1. Center of an atom or cell
- 4. Pure substance on periodic table
- 5. Group of similar living organisms
- 6. Force attracting objects to Earth
- 7. Smallest discrete unit of energy
- 8. Naturally occurring inorganic solid
- 10. Diffusion of water through a membrane
Down
- 2. Solid with ordered atomic structure
- 3. Fourth state of matter
- 6. Slow-moving river of ice
- 9. Biological catalyst for reactions
Show answers
- 1 Across: Center of an atom or cell (7)NUCLEUS
- 4 Across: Pure substance on periodic table (7)ELEMENT
- 5 Across: Group of similar living organisms (7)SPECIES
- 6 Across: Force attracting objects to Earth (7)GRAVITY
- 7 Across: Smallest discrete unit of energy (7)QUANTUM
- 8 Across: Naturally occurring inorganic solid (7)MINERAL
- 10 Across: Diffusion of water through a membrane (7)OSMOSIS
- 2 Down: Solid with ordered atomic structure (7)CRYSTAL
- 3 Down: Fourth state of matter (6)PLASMA
- 6 Down: Slow-moving river of ice (7)GLACIER
- 9 Down: Biological catalyst for reactions (6)ENZYME
🔬 Science Crossword #5
| 1 | ||||||||||||||
| 2 | ||||||||||||||
| 3 | ||||||||||||||
| 4 | 5 | |||||||||||||
| 6 | ||||||||||||||
| 7 | ||||||||||||||
| 8 | ||||||||||||||
| 9 | ||||||||||||||
Across
- 2. Mixture producing intense heat
- 3. Pure substance on periodic table
- 4. Device for controlled nuclear reactions
- 7. Fourth state of matter
- 8. Preserved remains of ancient life
- 9. Naturally occurring inorganic solid
Down
- 1. Solid with ordered atomic structure
- 3. Wearing away of land by water or wind
- 5. Biological catalyst for reactions
- 6. Center of an atom or cell
- 7. Positively charged particle
Show answers
- 2 Across: Mixture producing intense heat (7)THERMIT
- 3 Across: Pure substance on periodic table (7)ELEMENT
- 4 Across: Device for controlled nuclear reactions (7)REACTOR
- 7 Across: Fourth state of matter (6)PLASMA
- 8 Across: Preserved remains of ancient life (6)FOSSIL
- 9 Across: Naturally occurring inorganic solid (7)MINERAL
- 1 Down: Solid with ordered atomic structure (7)CRYSTAL
- 3 Down: Wearing away of land by water or wind (7)EROSION
- 5 Down: Biological catalyst for reactions (6)ENZYME
- 6 Down: Center of an atom or cell (7)NUCLEUS
- 7 Down: Positively charged particle (6)PROTON
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.