Classic Crosswords Classic Nature Hard — Set 23
🔬 Science Crossword #1
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Across
- 3. To study something carefully to understand it
- 5. A path that electricity travels along
- 6. A glass container used in science experiments
- 9. A tool that makes far-away things look closer
Down
- 1. The power that makes things move or change
- 2. The natural home of an animal or plant
- 4. A quick back-and-forth movement
- 7. A pure substance made of only one type of atom
- 8. The central part of a cell that controls its activity
Show answers
- 3 Across: To study something carefully to understand it (7)ANALYZE
- 5 Across: A path that electricity travels along (7)CIRCUIT
- 6 Across: A glass container used in science experiments (6)BEAKER
- 9 Across: A tool that makes far-away things look closer (9)TELESCOPE
- 1 Down: The power that makes things move or change (6)ENERGY
- 2 Down: The natural home of an animal or plant (7)HABITAT
- 4 Down: A quick back-and-forth movement (9)VIBRATION
- 7 Down: A pure substance made of only one type of atom (7)ELEMENT
- 8 Down: The central part of a cell that controls its activity (7)NUCLEUS
🔬 Science Crossword #2
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Across
- 1. A tiny particle of light energy
- 5. The remains of a plant or animal from long ago preserved in rock
- 6. The invisible force that pulls things toward the Earth
- 8. The slow process of living things changing over many years
Down
- 2. A substance that living things need for energy and growth
- 3. A change in a living thing that helps it survive
- 4. The process of getting bigger or more developed
- 7. A hard solid piece of the Earth made of minerals
Show answers
- 1 Across: A tiny particle of light energy (6)PHOTON
- 5 Across: The remains of a plant or animal from long ago preserved in rock (6)FOSSIL
- 6 Across: The invisible force that pulls things toward the Earth (7)GRAVITY
- 8 Across: The slow process of living things changing over many years (9)EVOLUTION
- 2 Down: A substance that living things need for energy and growth (8)NUTRIENT
- 3 Down: A change in a living thing that helps it survive (10)ADAPTATION
- 4 Down: The process of getting bigger or more developed (6)GROWTH
- 7 Down: A hard solid piece of the Earth made of minerals (4)ROCK
🔬 Science Crossword #3
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Across
- 1. A glass container used in science experiments
- 4. A quick back-and-forth movement
- 6. A mixture where one substance dissolves completely in another
- 7. The remains of a plant or animal from long ago preserved in rock
- 8. To sort things into groups based on their features
Down
- 2. The wearing away of land by water, wind, or ice
- 3. A form of energy used to power lights and machines
- 5. The act of moving or changing position
Show answers
- 1 Across: A glass container used in science experiments (6)BEAKER
- 4 Across: A quick back-and-forth movement (9)VIBRATION
- 6 Across: A mixture where one substance dissolves completely in another (8)SOLUTION
- 7 Across: The remains of a plant or animal from long ago preserved in rock (6)FOSSIL
- 8 Across: To sort things into groups based on their features (8)CLASSIFY
- 2 Down: The wearing away of land by water, wind, or ice (7)EROSION
- 3 Down: A form of energy used to power lights and machines (11)ELECTRICITY
- 5 Down: The act of moving or changing position (6)MOTION
🔬 Science Crossword #4
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Across
- 2. The molecule inside cells that carries instructions for life
- 3. A tool that makes very tiny things look bigger
- 5. When a solid mixes into a liquid and seems to disappear
- 7. A tool for measuring temperature
- 9. A tool that makes far-away things look closer
- 10. How hot or cold something is
Down
- 1. A pattern of energy moving through space or matter
- 4. A thread-like structure in cells that carries genetic information
- 6. A curved piece of glass that bends light
- 8. A unit of information that passes traits from parents to children
Show answers
- 2 Across: The molecule inside cells that carries instructions for life (3)DNA
- 3 Across: A tool that makes very tiny things look bigger (10)MICROSCOPE
- 5 Across: When a solid mixes into a liquid and seems to disappear (8)DISSOLVE
- 7 Across: A tool for measuring temperature (11)THERMOMETER
- 9 Across: A tool that makes far-away things look closer (9)TELESCOPE
- 10 Across: How hot or cold something is (11)TEMPERATURE
- 1 Down: A pattern of energy moving through space or matter (4)WAVE
- 4 Down: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 6 Down: A curved piece of glass that bends light (4)LENS
- 8 Down: A unit of information that passes traits from parents to children (4)GENE
🔬 Science Crossword #5
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Across
- 3. The passing of traits from parents to their children
- 5. The smallest piece of matter that makes up everything
- 6. The upward force that makes things float in water
- 7. A natural solid substance found in the earth
- 8. A material that does not let electricity or heat pass through easily
Down
- 1. Two or more substances mixed together but not chemically joined
- 2. A tiny particle of light energy
- 4. A mixture where one substance dissolves completely in another
Show answers
- 3 Across: The passing of traits from parents to their children (8)HEREDITY
- 5 Across: The smallest piece of matter that makes up everything (4)ATOM
- 6 Across: The upward force that makes things float in water (8)BUOYANCY
- 7 Across: A natural solid substance found in the earth (7)MINERAL
- 8 Across: A material that does not let electricity or heat pass through easily (9)INSULATOR
- 1 Down: Two or more substances mixed together but not chemically joined (7)MIXTURE
- 2 Down: A tiny particle of light energy (6)PHOTON
- 4 Down: A mixture where one substance dissolves completely in another (8)SOLUTION
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.