Classic Crosswords Classic Nature Medium — Set 19
🔬 Science Crossword #1
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Across
- 6. A community of living things and their environment working together
- 7. A sample of something used for study
- 8. A state of matter that flows and takes the shape of its container
- 9. The passing of traits from parents to their children
Down
- 1. A tiny particle of light energy
- 2. The smallest piece of matter that makes up everything
- 3. A substance made of two or more elements bonded together
- 4. How hot or cold something is
- 5. When a solid mixes into a liquid and seems to disappear
Show answers
- 6 Across: A community of living things and their environment working together (9)ECOSYSTEM
- 7 Across: A sample of something used for study (8)SPECIMEN
- 8 Across: A state of matter that flows and takes the shape of its container (6)LIQUID
- 9 Across: The passing of traits from parents to their children (8)HEREDITY
- 1 Down: A tiny particle of light energy (6)PHOTON
- 2 Down: The smallest piece of matter that makes up everything (4)ATOM
- 3 Down: A substance made of two or more elements bonded together (8)COMPOUND
- 4 Down: How hot or cold something is (11)TEMPERATURE
- 5 Down: When a solid mixes into a liquid and seems to disappear (8)DISSOLVE
🔬 Science Crossword #2
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Across
- 3. A thread-like structure in cells that carries genetic information
- 6. A mountain with an opening that can erupt hot lava
- 7. The power that makes things move or change
- 8. A tool that makes very tiny things look bigger
Down
- 1. How often something happens in a given time
- 2. Vibrations that travel through the air and are heard by ears
- 4. A mixture where one substance dissolves completely in another
- 5. A pattern of energy moving through space or matter
Show answers
- 3 Across: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 6 Across: A mountain with an opening that can erupt hot lava (7)VOLCANO
- 7 Across: The power that makes things move or change (6)ENERGY
- 8 Across: A tool that makes very tiny things look bigger (10)MICROSCOPE
- 1 Down: How often something happens in a given time (9)FREQUENCY
- 2 Down: Vibrations that travel through the air and are heard by ears (5)SOUND
- 4 Down: A mixture where one substance dissolves completely in another (8)SOLUTION
- 5 Down: A pattern of energy moving through space or matter (4)WAVE
🔬 Science Crossword #3
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Across
- 2. A substance that living things need for energy and growth
- 6. A tool for measuring temperature
- 7. How tightly packed the matter is in something
- 8. The amount of space something takes up
Down
- 1. A tool that makes far-away things look closer
- 3. The steps followed to do an experiment
- 4. Two or more atoms joined together
- 5. Any living thing such as a plant or animal
Show answers
- 2 Across: A substance that living things need for energy and growth (8)NUTRIENT
- 6 Across: A tool for measuring temperature (11)THERMOMETER
- 7 Across: How tightly packed the matter is in something (7)DENSITY
- 8 Across: The amount of space something takes up (6)VOLUME
- 1 Down: A tool that makes far-away things look closer (9)TELESCOPE
- 3 Down: The steps followed to do an experiment (9)PROCEDURE
- 4 Down: Two or more atoms joined together (8)MOLECULE
- 5 Down: Any living thing such as a plant or animal (8)ORGANISM
🔬 Science Crossword #4
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Across
- 1. The power that makes things move or change
- 5. To find the size, amount, or degree of something
- 6. A substance made of two or more elements bonded together
- 7. The force that makes magnets attract or repel
- 8. A quick back-and-forth movement
Down
- 2. The process of making new living things
- 3. The band of colors formed when white light is split
- 4. A test done to discover something new
Show answers
- 1 Across: The power that makes things move or change (6)ENERGY
- 5 Across: To find the size, amount, or degree of something (7)MEASURE
- 6 Across: A substance made of two or more elements bonded together (8)COMPOUND
- 7 Across: The force that makes magnets attract or repel (9)MAGNETISM
- 8 Across: A quick back-and-forth movement (9)VIBRATION
- 2 Down: The process of making new living things (12)REPRODUCTION
- 3 Down: The band of colors formed when white light is split (8)SPECTRUM
- 4 Down: A test done to discover something new (10)EXPERIMENT
🔬 Science Crossword #5
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Across
- 1. How hot or cold something is
- 7. The rate at which something speeds up
- 8. Vibrations that travel through the air and are heard by ears
Down
- 2. Two or more substances mixed together but not chemically joined
- 3. The force that makes magnets attract or repel
- 4. To write down information for later use
- 5. A sample of something used for study
- 6. A form of energy that makes things warm
Show answers
- 1 Across: How hot or cold something is (11)TEMPERATURE
- 7 Across: The rate at which something speeds up (12)ACCELERATION
- 8 Across: Vibrations that travel through the air and are heard by ears (5)SOUND
- 2 Down: Two or more substances mixed together but not chemically joined (7)MIXTURE
- 3 Down: The force that makes magnets attract or repel (9)MAGNETISM
- 4 Down: To write down information for later use (6)RECORD
- 5 Down: A sample of something used for study (8)SPECIMEN
- 6 Down: A form of energy that makes things warm (4)HEAT
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.