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