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