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