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