Classic Crosswords Classic Nature Hard — Set 26
🔬 Science Crossword #1
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Across
- 1. The power that makes things move or change
- 4. A tool that makes very tiny things look bigger
- 6. The act of moving or changing position
- 8. A pure substance made of only one type of atom
- 9. The band of colors formed when white light is split
Down
- 2. A hard solid piece of the Earth made of minerals
- 3. To find the size, amount, or degree of something
- 5. Small pieces of rock and soil carried by water and wind
- 7. The amount of matter in an object
Show answers
- 1 Across: The power that makes things move or change (6)ENERGY
- 4 Across: A tool that makes very tiny things look bigger (10)MICROSCOPE
- 6 Across: The act of moving or changing position (6)MOTION
- 8 Across: A pure substance made of only one type of atom (7)ELEMENT
- 9 Across: The band of colors formed when white light is split (8)SPECTRUM
- 2 Down: A hard solid piece of the Earth made of minerals (4)ROCK
- 3 Down: To find the size, amount, or degree of something (7)MEASURE
- 5 Down: Small pieces of rock and soil carried by water and wind (8)SEDIMENT
- 7 Down: The amount of matter in an object (4)MASS
🔬 Science Crossword #2
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Across
- 3. A material that does not let electricity or heat pass through easily
- 6. A state of matter that holds its shape
- 7. A substance made of two or more elements bonded together
- 8. A tool that makes far-away things look closer
- 9. The smallest piece of matter that makes up everything
- 10. A community of living things and their environment working together
Down
- 1. The central part of a cell that controls its activity
- 2. When a gas cools and turns back into a liquid
- 4. A path that electricity travels along
- 5. An educated guess about what will happen in an experiment
Show answers
- 3 Across: A material that does not let electricity or heat pass through easily (9)INSULATOR
- 6 Across: A state of matter that holds its shape (5)SOLID
- 7 Across: A substance made of two or more elements bonded together (8)COMPOUND
- 8 Across: A tool that makes far-away things look closer (9)TELESCOPE
- 9 Across: The smallest piece of matter that makes up everything (4)ATOM
- 10 Across: A community of living things and their environment working together (9)ECOSYSTEM
- 1 Down: The central part of a cell that controls its activity (7)NUCLEUS
- 2 Down: When a gas cools and turns back into a liquid (12)CONDENSATION
- 4 Down: A path that electricity travels along (7)CIRCUIT
- 5 Down: An educated guess about what will happen in an experiment (10)HYPOTHESIS
🔬 Science Crossword #3
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Across
- 1. The part of an experiment that stays the same for comparison
- 6. A test done to discover something new
- 8. The path water takes as it moves between Earth and sky
Down
- 2. A tool for measuring temperature
- 3. When one substance soaks up or takes in another
- 4. A push or pull that can change how something moves
- 5. A sudden shaking of the ground caused by movements deep inside Earth
- 7. A hard solid piece of the Earth made of minerals
Show answers
- 1 Across: The part of an experiment that stays the same for comparison (7)CONTROL
- 6 Across: A test done to discover something new (10)EXPERIMENT
- 8 Across: The path water takes as it moves between Earth and sky (11)WATER CYCLE
- 2 Down: A tool for measuring temperature (11)THERMOMETER
- 3 Down: When one substance soaks up or takes in another (10)ABSORPTION
- 4 Down: A push or pull that can change how something moves (5)FORCE
- 5 Down: A sudden shaking of the ground caused by movements deep inside Earth (10)EARTHQUAKE
- 7 Down: A hard solid piece of the Earth made of minerals (4)ROCK
🔬 Science Crossword #4
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Across
- 5. When light bounces off a surface like a mirror
- 6. A form of energy that makes things warm
- 7. A quick back-and-forth movement
- 8. A unit of information that passes traits from parents to children
Down
- 1. When water changes from a liquid to a gas
- 2. When a solid mixes into a liquid and seems to disappear
- 3. The process of getting bigger or more developed
- 4. When one substance soaks up or takes in another
Show answers
- 5 Across: When light bounces off a surface like a mirror (10)REFLECTION
- 6 Across: A form of energy that makes things warm (4)HEAT
- 7 Across: A quick back-and-forth movement (9)VIBRATION
- 8 Across: A unit of information that passes traits from parents to children (4)GENE
- 1 Down: When water changes from a liquid to a gas (11)EVAPORATION
- 2 Down: When a solid mixes into a liquid and seems to disappear (8)DISSOLVE
- 3 Down: The process of getting bigger or more developed (6)GROWTH
- 4 Down: When one substance soaks up or takes in another (10)ABSORPTION
🔬 Science Crossword #5
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Across
- 3. A change in a living thing that helps it survive
- 4. To say what you think will happen based on evidence
- 7. The slow process of living things changing over many years
- 8. Vibrations that travel through the air and are heard by ears
- 9. The tiny building block that makes up all living things
- 10. The process of getting bigger or more developed
- 11. A pattern of energy moving through space or matter
Down
- 1. A sudden shaking of the ground caused by movements deep inside Earth
- 2. The molecule inside cells that carries instructions for life
- 5. A thread-like structure in cells that carries genetic information
- 6. Small pieces of rock and soil carried by water and wind
Show answers
- 3 Across: A change in a living thing that helps it survive (10)ADAPTATION
- 4 Across: To say what you think will happen based on evidence (7)PREDICT
- 7 Across: The slow process of living things changing over many years (9)EVOLUTION
- 8 Across: Vibrations that travel through the air and are heard by ears (5)SOUND
- 9 Across: The tiny building block that makes up all living things (4)CELL
- 10 Across: The process of getting bigger or more developed (6)GROWTH
- 11 Across: A pattern of energy moving through space or matter (4)WAVE
- 1 Down: A sudden shaking of the ground caused by movements deep inside Earth (10)EARTHQUAKE
- 2 Down: The molecule inside cells that carries instructions for life (3)DNA
- 5 Down: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 6 Down: Small pieces of rock and soil carried by water and wind (8)SEDIMENT
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.