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