Classic Crosswords Classic Nature Easy — Set 9
🔬 Science Crossword #1
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Across
- 2. Underwater ridge of coral
- 3. Smallest unit of an element
- 5. Unit of electric potential
Down
- 1. A word related to science
- 2. Iron oxide formed by corrosion
- 3. Substance with pH below seven
- 4. Natural satellite of Earth
Show answers
- 2 Across: Underwater ridge of coral (4)REEF
- 3 Across: Smallest unit of an element (4)ATOM
- 5 Across: Unit of electric potential (4)VOLT
- 1 Down: A word related to science (3)WEB
- 2 Down: Iron oxide formed by corrosion (4)RUST
- 3 Down: Substance with pH below seven (4)ACID
- 4 Down: Natural satellite of Earth (4)MOON
🔬 Science Crossword #2
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Across
- 3. Change from solid to liquid
- 5. Substance with pH below seven
- 6. Natural satellite of Earth
Down
- 1. Plant embryo in a protective coat
- 2. Smallest unit of an element
- 4. A word related to science
Show answers
- 3 Across: Change from solid to liquid (4)MELT
- 5 Across: Substance with pH below seven (4)ACID
- 6 Across: Natural satellite of Earth (4)MOON
- 1 Down: Plant embryo in a protective coat (4)SEED
- 2 Down: Smallest unit of an element (4)ATOM
- 4 Down: A word related to science (5)HATCH
🔬 Science Crossword #3
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Across
- 3. Oscillation that carries energy
- 5. Plant embryo in a protective coat
- 6. Change from solid to liquid
Down
- 1. Unit of heredity on DNA
- 2. Substance with pH below seven
- 3. Unit of electrical power
- 4. A word related to science
Show answers
- 3 Across: Oscillation that carries energy (4)WAVE
- 5 Across: Plant embryo in a protective coat (4)SEED
- 6 Across: Change from solid to liquid (4)MELT
- 1 Down: Unit of heredity on DNA (4)GENE
- 2 Down: Substance with pH below seven (4)ACID
- 3 Down: Unit of electrical power (4)WATT
- 4 Down: A word related to science (3)BEE
🔬 Science Crossword #4
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Across
- 2. Mixture of minerals plants grow in
- 4. Smallest unit of an element
- 6. A word related to science
- 7. Unit of heredity on DNA
Down
- 1. Iron oxide formed by corrosion
- 3. A word related to science
- 5. Change from solid to liquid
Show answers
- 2 Across: Mixture of minerals plants grow in (4)SOIL
- 4 Across: Smallest unit of an element (4)ATOM
- 6 Across: A word related to science (3)FLY
- 7 Across: Unit of heredity on DNA (4)GENE
- 1 Down: Iron oxide formed by corrosion (4)RUST
- 3 Down: A word related to science (7)LADYBUG
- 5 Down: Change from solid to liquid (4)MELT
🔬 Science Crossword #5
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Across
- 2. A word related to science
- 3. A word related to science
- 5. A word related to science
- 6. Plant embryo in a protective coat
Down
- 1. A word related to science
- 2. Curved glass that bends light
- 4. Unit of heredity on DNA
Show answers
- 2 Across: A word related to science (7)LADYBUG
- 3 Across: A word related to science (3)BEE
- 5 Across: A word related to science (6)SPIDER
- 6 Across: Plant embryo in a protective coat (4)SEED
- 1 Down: A word related to science (3)EGG
- 2 Down: Curved glass that bends light (4)LENS
- 4 Down: Unit of heredity on DNA (4)GENE
Solver Notes
- 2. Underwater ridge of coral
- 3. Smallest unit of an element
- 5. Unit of electric potential
- 1. A word related to science
- 2. Iron oxide formed by corrosion
- 3. Substance with pH below seven
- 4. Natural satellite of Earth
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?
Our library includes dozens of classic crossword puzzles spanning topics like general knowledge, geography, history, and sports. New puzzles are added regularly so you always have fresh challenges to print and solve.
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.