Classic Crosswords Classic Nature Medium — Set 30
🔬 Science Crossword #1
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Across
- 2. A state of matter that flows and takes the shape of its container
- 5. A material that electricity or heat can pass through easily
- 8. The slow process of living things changing over many years
Down
- 1. A tool that makes very tiny things look bigger
- 3. A change in a living thing that helps it survive
- 4. Any living thing such as a plant or animal
- 6. How tightly packed the matter is in something
- 7. A gas in the air that living things need to breathe
Show answers
- 2 Across: A state of matter that flows and takes the shape of its container (6)LIQUID
- 5 Across: A material that electricity or heat can pass through easily (9)CONDUCTOR
- 8 Across: The slow process of living things changing over many years (9)EVOLUTION
- 1 Down: A tool that makes very tiny things look bigger (10)MICROSCOPE
- 3 Down: A change in a living thing that helps it survive (10)ADAPTATION
- 4 Down: Any living thing such as a plant or animal (8)ORGANISM
- 6 Down: How tightly packed the matter is in something (7)DENSITY
- 7 Down: A gas in the air that living things need to breathe (6)OXYGEN
🔬 Science Crossword #2
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Across
- 1. The process of getting bigger or more developed
- 6. A form of energy that makes things warm
- 7. Related to the large plates that make up Earth's surface
- 8. To study something carefully to understand it
Down
- 2. The path water takes as it moves between Earth and sky
- 3. The passing of traits from parents to their children
- 4. The force that makes magnets attract or repel
- 5. When water changes from a liquid to a gas
Show answers
- 1 Across: The process of getting bigger or more developed (6)GROWTH
- 6 Across: A form of energy that makes things warm (4)HEAT
- 7 Across: Related to the large plates that make up Earth's surface (8)TECTONIC
- 8 Across: To study something carefully to understand it (7)ANALYZE
- 2 Down: The path water takes as it moves between Earth and sky (11)WATER CYCLE
- 3 Down: The passing of traits from parents to their children (8)HEREDITY
- 4 Down: The force that makes magnets attract or repel (9)MAGNETISM
- 5 Down: When water changes from a liquid to a gas (11)EVAPORATION
🔬 Science Crossword #3
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Across
- 4. Facts and information collected from experiments
- 6. A curved piece of glass that bends light
- 7. Small pieces of rock and soil carried by water and wind
- 8. Something in an experiment that can be changed or measured
Down
- 1. A test done to discover something new
- 2. The distance between one wave peak and the next
- 3. Vibrations that travel through the air and are heard by ears
- 5. How hot or cold something is
Show answers
- 4 Across: Facts and information collected from experiments (4)DATA
- 6 Across: A curved piece of glass that bends light (4)LENS
- 7 Across: Small pieces of rock and soil carried by water and wind (8)SEDIMENT
- 8 Across: Something in an experiment that can be changed or measured (8)VARIABLE
- 1 Down: A test done to discover something new (10)EXPERIMENT
- 2 Down: The distance between one wave peak and the next (10)WAVELENGTH
- 3 Down: Vibrations that travel through the air and are heard by ears (5)SOUND
- 5 Down: How hot or cold something is (11)TEMPERATURE
🔬 Science Crossword #4
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Across
- 1. To sort things into groups based on their features
- 7. How hot or cold something is
- 8. A state of matter that holds its shape
- 9. A form of energy that makes things warm
Down
- 2. The tendency of an object to stay still or keep moving
- 3. A quick back-and-forth movement
- 4. The amount of space something takes up
- 5. A tool that makes far-away things look closer
- 6. The bending of light as it passes from one material to another
Show answers
- 1 Across: To sort things into groups based on their features (8)CLASSIFY
- 7 Across: How hot or cold something is (11)TEMPERATURE
- 8 Across: A state of matter that holds its shape (5)SOLID
- 9 Across: A form of energy that makes things warm (4)HEAT
- 2 Down: The tendency of an object to stay still or keep moving (7)INERTIA
- 3 Down: A quick back-and-forth movement (9)VIBRATION
- 4 Down: The amount of space something takes up (6)VOLUME
- 5 Down: A tool that makes far-away things look closer (9)TELESCOPE
- 6 Down: The bending of light as it passes from one material to another (10)REFRACTION
🔬 Science Crossword #5
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Across
- 4. The wearing away of land by water, wind, or ice
- 6. Two or more substances mixed together but not chemically joined
- 7. The distance between one wave peak and the next
- 8. The molecule inside cells that carries instructions for life
- 9. A chemical change when substances interact
Down
- 1. A quick back-and-forth movement
- 2. The amount of space something takes up
- 3. Carefully watching and noting what happens
- 5. A substance that living things need for energy and growth
Show answers
- 4 Across: The wearing away of land by water, wind, or ice (7)EROSION
- 6 Across: Two or more substances mixed together but not chemically joined (7)MIXTURE
- 7 Across: The distance between one wave peak and the next (10)WAVELENGTH
- 8 Across: The molecule inside cells that carries instructions for life (3)DNA
- 9 Across: A chemical change when substances interact (8)REACTION
- 1 Down: A quick back-and-forth movement (9)VIBRATION
- 2 Down: The amount of space something takes up (6)VOLUME
- 3 Down: Carefully watching and noting what happens (11)OBSERVATION
- 5 Down: A substance that living things need for energy and growth (8)NUTRIENT
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.