Classic Crosswords Classic Nature Hard — Set 24
Puzzle Set
5 puzzles in this set
🔬 Science Crossword #1
13×13 grid
Across
- 1 The process of getting bigger or more developed
- 5 The molecule inside cells that carries instructions for life
- 7 The amount of space something takes up
- 8 A state of matter that flows and takes the shape of its container
- 9 The bending of light as it passes from one material to another
Down
- 2 Related to the large plates that make up Earth's surface
- 3 The distance between one wave peak and the next
- 4 The invisible force that pulls things toward the Earth
- 6 A material that does not let electricity or heat pass through easily
Answers
- 1 Across: The process of getting bigger or more developed (6)GROWTH
- 5 Across: The molecule inside cells that carries instructions for life (3)DNA
- 7 Across: The amount of space something takes up (6)VOLUME
- 8 Across: A state of matter that flows and takes the shape of its container (6)LIQUID
- 9 Across: The bending of light as it passes from one material to another (10)REFRACTION
- 2 Down: Related to the large plates that make up Earth's surface (8)TECTONIC
- 3 Down: The distance between one wave peak and the next (10)WAVELENGTH
- 4 Down: The invisible force that pulls things toward the Earth (7)GRAVITY
- 6 Down: A material that does not let electricity or heat pass through easily (9)INSULATOR
🔬 Science Crossword #2
13×13 grid
Across
- 3 A unit of information that passes traits from parents to children
- 6 A gas in the air that living things need to breathe
- 7 Facts that show something is true
- 8 When water changes from a liquid to a gas
Down
- 1 Related to the large plates that make up Earth's surface
- 2 A tiny particle of light energy
- 4 To say what you think will happen based on evidence
- 5 A substance that living things need for energy and growth
Answers
- 3 Across: A unit of information that passes traits from parents to children (4)GENE
- 6 Across: A gas in the air that living things need to breathe (6)OXYGEN
- 7 Across: Facts that show something is true (8)EVIDENCE
- 8 Across: When water changes from a liquid to a gas (11)EVAPORATION
- 1 Down: Related to the large plates that make up Earth's surface (8)TECTONIC
- 2 Down: A tiny particle of light energy (6)PHOTON
- 4 Down: To say what you think will happen based on evidence (7)PREDICT
- 5 Down: A substance that living things need for energy and growth (8)NUTRIENT
🔬 Science Crossword #3
13×13 grid
Across
- 3 A material that electricity or heat can pass through easily
- 5 An educated guess about what will happen in an experiment
- 6 The central part of a cell that controls its activity
- 7 Carefully watching and noting what happens
- 8 Facts that show something is true
Down
- 1 The molecule inside cells that carries instructions for life
- 2 When a gas cools and turns back into a liquid
- 4 The force that slows things down when they rub together
Answers
- 3 Across: A material that electricity or heat can pass through easily (9)CONDUCTOR
- 5 Across: An educated guess about what will happen in an experiment (10)HYPOTHESIS
- 6 Across: The central part of a cell that controls its activity (7)NUCLEUS
- 7 Across: Carefully watching and noting what happens (11)OBSERVATION
- 8 Across: Facts that show something is true (8)EVIDENCE
- 1 Down: The molecule inside cells that carries instructions for life (3)DNA
- 2 Down: When a gas cools and turns back into a liquid (12)CONDENSATION
- 4 Down: The force that slows things down when they rub together (8)FRICTION
🔬 Science Crossword #4
13×13 grid
Across
- 1 The power that makes things move or change
- 5 A sudden shaking of the ground caused by movements deep inside Earth
- 6 Facts and information collected from experiments
- 7 Related to the large plates that make up Earth's surface
- 8 A group of living things that are the same kind
- 9 A push or pull that can change how something moves
Down
- 2 The process of making new living things
- 3 A tool for measuring temperature
- 4 Any living thing such as a plant or animal
Answers
- 1 Across: The power that makes things move or change (6)ENERGY
- 5 Across: A sudden shaking of the ground caused by movements deep inside Earth (10)EARTHQUAKE
- 6 Across: Facts and information collected from experiments (4)DATA
- 7 Across: Related to the large plates that make up Earth's surface (8)TECTONIC
- 8 Across: A group of living things that are the same kind (7)SPECIES
- 9 Across: A push or pull that can change how something moves (5)FORCE
- 2 Down: The process of making new living things (12)REPRODUCTION
- 3 Down: A tool for measuring temperature (11)THERMOMETER
- 4 Down: Any living thing such as a plant or animal (8)ORGANISM
🔬 Science Crossword #5
13×13 grid
Across
- 4 The molecule inside cells that carries instructions for life
- 6 The rate at which something speeds up
- 7 A quick back-and-forth movement
- 8 To say what you think will happen based on evidence
Down
- 1 Something in an experiment that can be changed or measured
- 2 A final decision reached after studying results
- 3 A sudden shaking of the ground caused by movements deep inside Earth
- 5 Anything that takes up space and has weight
Answers
- 4 Across: The molecule inside cells that carries instructions for life (3)DNA
- 6 Across: The rate at which something speeds up (12)ACCELERATION
- 7 Across: A quick back-and-forth movement (9)VIBRATION
- 8 Across: To say what you think will happen based on evidence (7)PREDICT
- 1 Down: Something in an experiment that can be changed or measured (8)VARIABLE
- 2 Down: A final decision reached after studying results (10)CONCLUSION
- 3 Down: A sudden shaking of the ground caused by movements deep inside Earth (10)EARTHQUAKE
- 5 Down: Anything that takes up space and has weight (6)MATTER
Solver Notes
- 1. The process of getting bigger or more developed
- 5. The molecule inside cells that carries instructions for life
- 7. The amount of space something takes up
- 8. A state of matter that flows and takes the shape of its container
- 9. The bending of light as it passes from one material to another
- 2. Related to the large plates that make up Earth's surface
- 3. The distance between one wave peak and the next
- 4. The invisible force that pulls things toward the Earth
- 6. A material that does not let electricity or heat pass through easily
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.
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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.