Classic Crosswords Classic Science Hard — Set 16
🔬 Science Crossword #1
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Across
- 4. A material that electricity or heat can pass through easily
- 6. A unit of information that passes traits from parents to children
- 7. A community of living things and their environment working together
- 8. The process of getting bigger or more developed
- 9. The breaking down of rocks by weather, water, and living things
Down
- 1. To study something carefully to understand it
- 2. The rate at which something speeds up
- 3. The steps followed to do an experiment
- 5. The smallest piece of matter that makes up everything
Show answers
- 4 Across: A material that electricity or heat can pass through easily (9)CONDUCTOR
- 6 Across: A unit of information that passes traits from parents to children (4)GENE
- 7 Across: A community of living things and their environment working together (9)ECOSYSTEM
- 8 Across: The process of getting bigger or more developed (6)GROWTH
- 9 Across: The breaking down of rocks by weather, water, and living things (10)WEATHERING
- 1 Down: To study something carefully to understand it (7)ANALYZE
- 2 Down: The rate at which something speeds up (12)ACCELERATION
- 3 Down: The steps followed to do an experiment (9)PROCEDURE
- 5 Down: The smallest piece of matter that makes up everything (4)ATOM
🔬 Science Crossword #2
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Across
- 6. The slow process of living things changing over many years
- 7. The natural home of an animal or plant
- 8. To study something carefully to understand it
Down
- 1. The band of colors formed when white light is split
- 2. A mountain with an opening that can erupt hot lava
- 3. A state of matter that holds its shape
- 4. A sample of something used for study
- 5. The process of getting bigger or more developed
Show answers
- 6 Across: The slow process of living things changing over many years (9)EVOLUTION
- 7 Across: The natural home of an animal or plant (7)HABITAT
- 8 Across: To study something carefully to understand it (7)ANALYZE
- 1 Down: The band of colors formed when white light is split (8)SPECTRUM
- 2 Down: A mountain with an opening that can erupt hot lava (7)VOLCANO
- 3 Down: A state of matter that holds its shape (5)SOLID
- 4 Down: A sample of something used for study (8)SPECIMEN
- 5 Down: The process of getting bigger or more developed (6)GROWTH
🔬 Science Crossword #3
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Across
- 3. A quick back-and-forth movement
- 5. The tiny building block that makes up all living things
- 7. The natural home of an animal or plant
Down
- 1. The part of an experiment that stays the same for comparison
- 2. A natural solid substance found in the earth
- 3. The speed of something in a given direction
- 4. The smallest piece of matter that makes up everything
- 6. A pattern of energy moving through space or matter
Show answers
- 3 Across: A quick back-and-forth movement (9)VIBRATION
- 5 Across: The tiny building block that makes up all living things (4)CELL
- 7 Across: The natural home of an animal or plant (7)HABITAT
- 1 Down: The part of an experiment that stays the same for comparison (7)CONTROL
- 2 Down: A natural solid substance found in the earth (7)MINERAL
- 3 Down: The speed of something in a given direction (8)VELOCITY
- 4 Down: The smallest piece of matter that makes up everything (4)ATOM
- 6 Down: A pattern of energy moving through space or matter (4)WAVE
🔬 Science Crossword #4
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Across
- 4. When water changes from a liquid to a gas
- 6. A gas in the air that living things need to breathe
- 7. A quick back-and-forth movement
- 8. A change in a living thing that helps it survive
Down
- 1. How often something happens in a given time
- 2. Anything that takes up space and has weight
- 3. A final decision reached after studying results
- 5. A hard solid piece of the Earth made of minerals
Show answers
- 4 Across: When water changes from a liquid to a gas (11)EVAPORATION
- 6 Across: A gas in the air that living things need to breathe (6)OXYGEN
- 7 Across: A quick back-and-forth movement (9)VIBRATION
- 8 Across: A change in a living thing that helps it survive (10)ADAPTATION
- 1 Down: How often something happens in a given time (9)FREQUENCY
- 2 Down: Anything that takes up space and has weight (6)MATTER
- 3 Down: A final decision reached after studying results (10)CONCLUSION
- 5 Down: A hard solid piece of the Earth made of minerals (4)ROCK
🔬 Science Crossword #5
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Across
- 1. The distance between one wave peak and the next
- 4. The natural home of an animal or plant
- 5. The speed of something in a given direction
- 7. How often something happens in a given time
- 8. Two or more atoms joined together
- 9. The force that makes magnets attract or repel
Down
- 2. The invisible force that pulls things toward the Earth
- 3. A test done to discover something new
- 6. A sample of something used for study
Show answers
- 1 Across: The distance between one wave peak and the next (10)WAVELENGTH
- 4 Across: The natural home of an animal or plant (7)HABITAT
- 5 Across: The speed of something in a given direction (8)VELOCITY
- 7 Across: How often something happens in a given time (9)FREQUENCY
- 8 Across: Two or more atoms joined together (8)MOLECULE
- 9 Across: The force that makes magnets attract or repel (9)MAGNETISM
- 2 Down: The invisible force that pulls things toward the Earth (7)GRAVITY
- 3 Down: A test done to discover something new (10)EXPERIMENT
- 6 Down: A sample of something used for study (8)SPECIMEN
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.
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.