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