Classic Crosswords Classic Nature Hard — Set 12
🔬 Science Crossword #1
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Across
- 2. The passing of traits from parents to their children
- 3. The tiny building block that makes up all living things
- 7. A material that does not let electricity or heat pass through easily
- 8. A state of matter that flows and takes the shape of its container
- 9. The speed of something in a given direction
Down
- 1. The steps followed to do an experiment
- 4. The bending of light as it passes from one material to another
- 5. When a solid mixes into a liquid and seems to disappear
- 6. The amount of matter in an object
Show answers
- 2 Across: The passing of traits from parents to their children (8)HEREDITY
- 3 Across: The tiny building block that makes up all living things (4)CELL
- 7 Across: A material that does not let electricity or heat pass through easily (9)INSULATOR
- 8 Across: A state of matter that flows and takes the shape of its container (6)LIQUID
- 9 Across: The speed of something in a given direction (8)VELOCITY
- 1 Down: The steps followed to do an experiment (9)PROCEDURE
- 4 Down: The bending of light as it passes from one material to another (10)REFRACTION
- 5 Down: When a solid mixes into a liquid and seems to disappear (8)DISSOLVE
- 6 Down: The amount of matter in an object (4)MASS
🔬 Science Crossword #2
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Across
- 1. The process of getting bigger or more developed
- 5. The speed of something in a given direction
- 6. Something in an experiment that can be changed or measured
- 9. A pure substance made of only one type of atom
Down
- 2. How hot or cold something is
- 3. To study something carefully to understand it
- 4. A group of living things that are the same kind
- 7. A hard solid piece of the Earth made of minerals
- 8. Vibrations that travel through the air and are heard by ears
Show answers
- 1 Across: The process of getting bigger or more developed (6)GROWTH
- 5 Across: The speed of something in a given direction (8)VELOCITY
- 6 Across: Something in an experiment that can be changed or measured (8)VARIABLE
- 9 Across: A pure substance made of only one type of atom (7)ELEMENT
- 2 Down: How hot or cold something is (11)TEMPERATURE
- 3 Down: To study something carefully to understand it (7)ANALYZE
- 4 Down: A group of living things that are the same kind (7)SPECIES
- 7 Down: A hard solid piece of the Earth made of minerals (4)ROCK
- 8 Down: Vibrations that travel through the air and are heard by ears (5)SOUND
🔬 Science Crossword #3
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Across
- 5. To write down information for later use
- 6. The passing of traits from parents to their children
- 7. Related to the large plates that make up Earth's surface
- 8. A chemical change when substances interact
Down
- 1. A glass container used in science experiments
- 2. A form of energy used to power lights and machines
- 3. A path that electricity travels along
- 4. To say what you think will happen based on evidence
Show answers
- 5 Across: To write down information for later use (6)RECORD
- 6 Across: The passing of traits from parents to their children (8)HEREDITY
- 7 Across: Related to the large plates that make up Earth's surface (8)TECTONIC
- 8 Across: A chemical change when substances interact (8)REACTION
- 1 Down: A glass container used in science experiments (6)BEAKER
- 2 Down: A form of energy used to power lights and machines (11)ELECTRICITY
- 3 Down: A path that electricity travels along (7)CIRCUIT
- 4 Down: To say what you think will happen based on evidence (7)PREDICT
🔬 Science Crossword #4
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Across
- 1. To sort things into groups based on their features
- 5. To write down information for later use
- 6. The amount of space something takes up
- 7. The molecule inside cells that carries instructions for life
- 8. Two or more substances mixed together but not chemically joined
- 9. An educated guess about what will happen in an experiment
Down
- 1. A final decision reached after studying results
- 2. A mixture where one substance dissolves completely in another
- 3. A tool that makes very tiny things look bigger
- 4. How hot or cold something is
Show answers
- 1 Across: To sort things into groups based on their features (8)CLASSIFY
- 5 Across: To write down information for later use (6)RECORD
- 6 Across: The amount of space something takes up (6)VOLUME
- 7 Across: The molecule inside cells that carries instructions for life (3)DNA
- 8 Across: Two or more substances mixed together but not chemically joined (7)MIXTURE
- 9 Across: An educated guess about what will happen in an experiment (10)HYPOTHESIS
- 1 Down: A final decision reached after studying results (10)CONCLUSION
- 2 Down: A mixture where one substance dissolves completely in another (8)SOLUTION
- 3 Down: A tool that makes very tiny things look bigger (10)MICROSCOPE
- 4 Down: How hot or cold something is (11)TEMPERATURE
🔬 Science Crossword #5
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Across
- 4. A form of energy used to power lights and machines
- 5. The invisible force that pulls things toward the Earth
- 7. All the chemical processes in your body that keep you alive
- 8. A unit of information that passes traits from parents to children
Down
- 1. The power that makes things move or change
- 2. A curved piece of glass that bends light
- 3. A form of energy that allows us to see
- 6. The amount of space something takes up
- 7. The amount of matter in an object
Show answers
- 4 Across: A form of energy used to power lights and machines (11)ELECTRICITY
- 5 Across: The invisible force that pulls things toward the Earth (7)GRAVITY
- 7 Across: All the chemical processes in your body that keep you alive (10)METABOLISM
- 8 Across: A unit of information that passes traits from parents to children (4)GENE
- 1 Down: The power that makes things move or change (6)ENERGY
- 2 Down: A curved piece of glass that bends light (4)LENS
- 3 Down: A form of energy that allows us to see (5)LIGHT
- 6 Down: The amount of space something takes up (6)VOLUME
- 7 Down: The amount of matter in an object (4)MASS
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.