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