Challenge Crosswords Science Super Expert — Set 7
🔬 Science Crossword #1
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Across
- 2. Pure substance on periodic table
- 5. Fourth state of matter
- 6. Device for controlled nuclear reactions
- 8. Group of similar living organisms
- 10. Preserved remains of ancient life
- 11. Naturally occurring inorganic solid
Down
- 1. Biological catalyst for reactions
- 3. One body blocking another in space
- 4. Slow-moving river of ice
- 7. Mixture producing intense heat
- 9. Positively charged particle
Show answers
- 2 Across: Pure substance on periodic table (7)ELEMENT
- 5 Across: Fourth state of matter (6)PLASMA
- 6 Across: Device for controlled nuclear reactions (7)REACTOR
- 8 Across: Group of similar living organisms (7)SPECIES
- 10 Across: Preserved remains of ancient life (6)FOSSIL
- 11 Across: Naturally occurring inorganic solid (7)MINERAL
- 1 Down: Biological catalyst for reactions (6)ENZYME
- 3 Down: One body blocking another in space (7)ECLIPSE
- 4 Down: Slow-moving river of ice (7)GLACIER
- 7 Down: Mixture producing intense heat (7)THERMIT
- 9 Down: Positively charged particle (6)PROTON
🔬 Science Crossword #2
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Across
- 1. Positively charged particle
- 2. Preserved remains of ancient life
- 3. Group of similar living organisms
- 6. Force attracting objects to Earth
- 7. Pure substance on periodic table
- 9. Substance providing immunity
- 10. Uncharged particle in nucleus
Down
- 1. Fourth state of matter
- 4. Solid with ordered atomic structure
- 5. Naturally occurring inorganic solid
- 7. Wearing away of land by water or wind
- 8. Slow-moving river of ice
Show answers
- 1 Across: Positively charged particle (6)PROTON
- 2 Across: Preserved remains of ancient life (6)FOSSIL
- 3 Across: Group of similar living organisms (7)SPECIES
- 6 Across: Force attracting objects to Earth (7)GRAVITY
- 7 Across: Pure substance on periodic table (7)ELEMENT
- 9 Across: Substance providing immunity (7)VACCINE
- 10 Across: Uncharged particle in nucleus (7)NEUTRON
- 1 Down: Fourth state of matter (6)PLASMA
- 4 Down: Solid with ordered atomic structure (7)CRYSTAL
- 5 Down: Naturally occurring inorganic solid (7)MINERAL
- 7 Down: Wearing away of land by water or wind (7)EROSION
- 8 Down: Slow-moving river of ice (7)GLACIER
🔬 Science Crossword #3
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Across
- 1. Group of similar living organisms
- 3. Substance providing immunity
- 5. One body blocking another in space
- 6. Smallest discrete unit of energy
- 9. Solid with ordered atomic structure
- 10. Preserved remains of ancient life
Down
- 2. Pure substance on periodic table
- 4. Fourth state of matter
- 7. Uncharged particle in nucleus
- 8. Center of an atom or cell
Show answers
- 1 Across: Group of similar living organisms (7)SPECIES
- 3 Across: Substance providing immunity (7)VACCINE
- 5 Across: One body blocking another in space (7)ECLIPSE
- 6 Across: Smallest discrete unit of energy (7)QUANTUM
- 9 Across: Solid with ordered atomic structure (7)CRYSTAL
- 10 Across: Preserved remains of ancient life (6)FOSSIL
- 2 Down: Pure substance on periodic table (7)ELEMENT
- 4 Down: Fourth state of matter (6)PLASMA
- 7 Down: Uncharged particle in nucleus (7)NEUTRON
- 8 Down: Center of an atom or cell (7)NUCLEUS
🔬 Science Crossword #4
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Across
- 4. Fourth state of matter
- 6. Mixture producing intense heat
- 8. Uncharged particle in nucleus
- 9. Wearing away of land by water or wind
- 10. Center of an atom or cell
Down
- 1. Device for controlled nuclear reactions
- 2. Solid with ordered atomic structure
- 3. Slow-moving river of ice
- 5. Smallest discrete unit of energy
- 7. Biological catalyst for reactions
Show answers
- 4 Across: Fourth state of matter (6)PLASMA
- 6 Across: Mixture producing intense heat (7)THERMIT
- 8 Across: Uncharged particle in nucleus (7)NEUTRON
- 9 Across: Wearing away of land by water or wind (7)EROSION
- 10 Across: Center of an atom or cell (7)NUCLEUS
- 1 Down: Device for controlled nuclear reactions (7)REACTOR
- 2 Down: Solid with ordered atomic structure (7)CRYSTAL
- 3 Down: Slow-moving river of ice (7)GLACIER
- 5 Down: Smallest discrete unit of energy (7)QUANTUM
- 7 Down: Biological catalyst for reactions (6)ENZYME
🔬 Science Crossword #5
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Across
- 2. Smallest discrete unit of energy
- 3. Preserved remains of ancient life
- 6. Biological catalyst for reactions
- 9. Fourth state of matter
- 10. Diffusion of water through a membrane
- 11. Positively charged particle
Down
- 1. Center of an atom or cell
- 4. Uncharged particle in nucleus
- 5. Wearing away of land by water or wind
- 7. Slow-moving river of ice
- 8. Pure substance on periodic table
Show answers
- 2 Across: Smallest discrete unit of energy (7)QUANTUM
- 3 Across: Preserved remains of ancient life (6)FOSSIL
- 6 Across: Biological catalyst for reactions (6)ENZYME
- 9 Across: Fourth state of matter (6)PLASMA
- 10 Across: Diffusion of water through a membrane (7)OSMOSIS
- 11 Across: Positively charged particle (6)PROTON
- 1 Down: Center of an atom or cell (7)NUCLEUS
- 4 Down: Uncharged particle in nucleus (7)NEUTRON
- 5 Down: Wearing away of land by water or wind (7)EROSION
- 7 Down: Slow-moving river of ice (7)GLACIER
- 8 Down: Pure substance on periodic table (7)ELEMENT
Solver Notes
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What are challenge crossword puzzles?
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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Challenge crosswords are best suited for adults and advanced students who already have strong crossword-solving experience. The difficult clues and specialized vocabulary assume familiarity with crossword conventions and a broad knowledge base.
How many challenge crossword puzzles are available?
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