Classic Crosswords Classic Nature Hard — Set 18
🔬 Science Crossword #1
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Across
- 4. A form of energy that makes things warm
- 6. A chemical change when substances interact
- 7. The steps followed to do an experiment
- 8. A state of matter that flows and takes the shape of its container
Down
- 1. The path water takes as it moves between Earth and sky
- 2. Anything that takes up space and has weight
- 3. When one substance soaks up or takes in another
- 5. A final decision reached after studying results
Show answers
- 4 Across: A form of energy that makes things warm (4)HEAT
- 6 Across: A chemical change when substances interact (8)REACTION
- 7 Across: The steps followed to do an experiment (9)PROCEDURE
- 8 Across: A state of matter that flows and takes the shape of its container (6)LIQUID
- 1 Down: The path water takes as it moves between Earth and sky (11)WATER CYCLE
- 2 Down: Anything that takes up space and has weight (6)MATTER
- 3 Down: When one substance soaks up or takes in another (10)ABSORPTION
- 5 Down: A final decision reached after studying results (10)CONCLUSION
🔬 Science Crossword #2
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Across
- 1. An object that attracts iron and some other metals
- 4. Any water that falls from clouds such as rain, snow, or hail
- 5. The act of moving or changing position
- 6. The speed of something in a given direction
- 8. A thread-like structure in cells that carries genetic information
Down
- 2. A change in a living thing that helps it survive
- 3. A group of living things that are the same kind
- 7. A pure substance made of only one type of atom
Show answers
- 1 Across: An object that attracts iron and some other metals (6)MAGNET
- 4 Across: Any water that falls from clouds such as rain, snow, or hail (13)PRECIPITATION
- 5 Across: The act of moving or changing position (6)MOTION
- 6 Across: The speed of something in a given direction (8)VELOCITY
- 8 Across: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 2 Down: A change in a living thing that helps it survive (10)ADAPTATION
- 3 Down: A group of living things that are the same kind (7)SPECIES
- 7 Down: A pure substance made of only one type of atom (7)ELEMENT
🔬 Science Crossword #3
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Across
- 3. Small pieces of rock and soil carried by water and wind
- 6. A tool for measuring temperature
- 7. To write down information for later use
Down
- 1. All the chemical processes in your body that keep you alive
- 2. The band of colors formed when white light is split
- 3. A mixture where one substance dissolves completely in another
- 4. How hot or cold something is
- 5. The passing of traits from parents to their children
Show answers
- 3 Across: Small pieces of rock and soil carried by water and wind (8)SEDIMENT
- 6 Across: A tool for measuring temperature (11)THERMOMETER
- 7 Across: To write down information for later use (6)RECORD
- 1 Down: All the chemical processes in your body that keep you alive (10)METABOLISM
- 2 Down: The band of colors formed when white light is split (8)SPECTRUM
- 3 Down: A mixture where one substance dissolves completely in another (8)SOLUTION
- 4 Down: How hot or cold something is (11)TEMPERATURE
- 5 Down: The passing of traits from parents to their children (8)HEREDITY
🔬 Science Crossword #4
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Across
- 4. A substance that living things need for energy and growth
- 5. Facts and information collected from experiments
- 6. The invisible force that pulls things toward the Earth
- 7. Vibrations that travel through the air and are heard by ears
Down
- 1. The act of moving or changing position
- 2. A material that electricity or heat can pass through easily
- 3. A state of matter that flows and takes the shape of its container
- 6. A state of matter that spreads to fill any space
Show answers
- 4 Across: A substance that living things need for energy and growth (8)NUTRIENT
- 5 Across: Facts and information collected from experiments (4)DATA
- 6 Across: The invisible force that pulls things toward the Earth (7)GRAVITY
- 7 Across: Vibrations that travel through the air and are heard by ears (5)SOUND
- 1 Down: The act of moving or changing position (6)MOTION
- 2 Down: A material that electricity or heat can pass through easily (9)CONDUCTOR
- 3 Down: A state of matter that flows and takes the shape of its container (6)LIQUID
- 6 Down: A state of matter that spreads to fill any space (3)GAS
🔬 Science Crossword #5
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Across
- 2. A quick back-and-forth movement
- 3. The amount of space something takes up
- 4. A hard solid piece of the Earth made of minerals
- 5. When a solid mixes into a liquid and seems to disappear
- 6. An object that attracts iron and some other metals
- 7. A final decision reached after studying results
Down
- 1. A natural solid substance found in the earth
- 4. A chemical change when substances interact
Show answers
- 2 Across: A quick back-and-forth movement (9)VIBRATION
- 3 Across: The amount of space something takes up (6)VOLUME
- 4 Across: A hard solid piece of the Earth made of minerals (4)ROCK
- 5 Across: When a solid mixes into a liquid and seems to disappear (8)DISSOLVE
- 6 Across: An object that attracts iron and some other metals (6)MAGNET
- 7 Across: A final decision reached after studying results (10)CONCLUSION
- 1 Down: A natural solid substance found in the earth (7)MINERAL
- 4 Down: A chemical change when substances interact (8)REACTION
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.