Challenge Crosswords Science Expert — Set 2
🔬 Science Crossword #1
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Across
- 5. Group of similar living organisms
- 9. Device for controlled nuclear reactions
- 10. Center of an atom or cell
- 11. Solid with ordered atomic structure
Down
- 1. Substance providing immunity
- 2. Large molecule essential for life
- 3. One body blocking another in space
- 4. Uncharged particle in nucleus
- 6. Positively charged particle
- 7. Smallest discrete unit of energy
- 8. Preserved remains of ancient life
Show answers
- 5 Across: Group of similar living organisms (7)SPECIES
- 9 Across: Device for controlled nuclear reactions (7)REACTOR
- 10 Across: Center of an atom or cell (7)NUCLEUS
- 11 Across: Solid with ordered atomic structure (7)CRYSTAL
- 1 Down: Substance providing immunity (7)VACCINE
- 2 Down: Large molecule essential for life (7)PROTEIN
- 3 Down: One body blocking another in space (7)ECLIPSE
- 4 Down: Uncharged particle in nucleus (7)NEUTRON
- 6 Down: Positively charged particle (6)PROTON
- 7 Down: Smallest discrete unit of energy (7)QUANTUM
- 8 Down: Preserved remains of ancient life (6)FOSSIL
🔬 Science Crossword #2
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Across
- 1. One body blocking another in space
- 3. Smallest discrete unit of energy
- 6. Biological catalyst for reactions
- 7. Group of similar living organisms
- 11. Naturally occurring inorganic solid
- 12. Pure substance on periodic table
- 13. Uncharged particle in nucleus
Down
- 2. Large molecule essential for life
- 4. Mixture producing intense heat
- 5. Solid with ordered atomic structure
- 8. Fourth state of matter
- 9. Center of an atom or cell
- 10. Device for controlled nuclear reactions
Show answers
- 1 Across: One body blocking another in space (7)ECLIPSE
- 3 Across: Smallest discrete unit of energy (7)QUANTUM
- 6 Across: Biological catalyst for reactions (6)ENZYME
- 7 Across: Group of similar living organisms (7)SPECIES
- 11 Across: Naturally occurring inorganic solid (7)MINERAL
- 12 Across: Pure substance on periodic table (7)ELEMENT
- 13 Across: Uncharged particle in nucleus (7)NEUTRON
- 2 Down: Large molecule essential for life (7)PROTEIN
- 4 Down: Mixture producing intense heat (7)THERMIT
- 5 Down: Solid with ordered atomic structure (7)CRYSTAL
- 8 Down: Fourth state of matter (6)PLASMA
- 9 Down: Center of an atom or cell (7)NUCLEUS
- 10 Down: Device for controlled nuclear reactions (7)REACTOR
🔬 Science Crossword #3
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Across
- 3. Uncharged particle in nucleus
- 6. Biological catalyst for reactions
- 8. One body blocking another in space
- 9. Positively charged particle
- 10. Preserved remains of ancient life
Down
- 1. Smallest discrete unit of energy
- 2. Mixture producing intense heat
- 4. Pure substance on periodic table
- 5. Device for controlled nuclear reactions
- 7. Naturally occurring inorganic solid
Show answers
- 3 Across: Uncharged particle in nucleus (7)NEUTRON
- 6 Across: Biological catalyst for reactions (6)ENZYME
- 8 Across: One body blocking another in space (7)ECLIPSE
- 9 Across: Positively charged particle (6)PROTON
- 10 Across: Preserved remains of ancient life (6)FOSSIL
- 1 Down: Smallest discrete unit of energy (7)QUANTUM
- 2 Down: Mixture producing intense heat (7)THERMIT
- 4 Down: Pure substance on periodic table (7)ELEMENT
- 5 Down: Device for controlled nuclear reactions (7)REACTOR
- 7 Down: Naturally occurring inorganic solid (7)MINERAL
🔬 Science Crossword #4
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Across
- 3. Fourth state of matter
- 6. Mixture producing intense heat
- 9. Positively charged particle
- 10. Biological catalyst for reactions
- 11. Preserved remains of ancient life
Down
- 1. Substance providing immunity
- 2. Uncharged particle in nucleus
- 4. Large molecule essential for life
- 5. Diffusion of water through a membrane
- 7. Device for controlled nuclear reactions
- 8. Group of similar living organisms
Show answers
- 3 Across: Fourth state of matter (6)PLASMA
- 6 Across: Mixture producing intense heat (7)THERMIT
- 9 Across: Positively charged particle (6)PROTON
- 10 Across: Biological catalyst for reactions (6)ENZYME
- 11 Across: Preserved remains of ancient life (6)FOSSIL
- 1 Down: Substance providing immunity (7)VACCINE
- 2 Down: Uncharged particle in nucleus (7)NEUTRON
- 4 Down: Large molecule essential for life (7)PROTEIN
- 5 Down: Diffusion of water through a membrane (7)OSMOSIS
- 7 Down: Device for controlled nuclear reactions (7)REACTOR
- 8 Down: Group of similar living organisms (7)SPECIES
🔬 Science Crossword #5
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Across
- 1. Wearing away of land by water or wind
- 6. Solid with ordered atomic structure
- 7. Preserved remains of ancient life
- 9. Device for controlled nuclear reactions
- 10. Slow-moving river of ice
- 11. Substance providing immunity
Down
- 2. Diffusion of water through a membrane
- 3. Smallest discrete unit of energy
- 4. Force attracting objects to Earth
- 5. Naturally occurring inorganic solid
- 8. Large molecule essential for life
Show answers
- 1 Across: Wearing away of land by water or wind (7)EROSION
- 6 Across: Solid with ordered atomic structure (7)CRYSTAL
- 7 Across: Preserved remains of ancient life (6)FOSSIL
- 9 Across: Device for controlled nuclear reactions (7)REACTOR
- 10 Across: Slow-moving river of ice (7)GLACIER
- 11 Across: Substance providing immunity (7)VACCINE
- 2 Down: Diffusion of water through a membrane (7)OSMOSIS
- 3 Down: Smallest discrete unit of energy (7)QUANTUM
- 4 Down: Force attracting objects to Earth (7)GRAVITY
- 5 Down: Naturally occurring inorganic solid (7)MINERAL
- 8 Down: Large molecule essential for life (7)PROTEIN
Solver Notes
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Challenge crossword puzzles are expert-level word games featuring advanced vocabulary, complex clue structures, and larger grids. They are designed for experienced crossword solvers who want to push their skills beyond standard difficulty levels.
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