Puzzle Detail
Classic Crosswords Classic Nature Expert — Set 21
Puzzle Set
5 puzzles in this set
🔬 Science Crossword #1
13×13 grid
Across
- 1 A tool that makes very tiny things look bigger
- 3 A material that does not let electricity or heat pass through easily
- 6 A quick back-and-forth movement
- 7 How hot or cold something is
- 9 To say what you think will happen based on evidence
Down
- 2 A tiny particle of light energy
- 4 A chemical change when substances interact
- 5 A state of matter that flows and takes the shape of its container
- 8 The amount of matter in an object
Answers
- 1 Across: A tool that makes very tiny things look bigger (10)MICROSCOPE
- 3 Across: A material that does not let electricity or heat pass through easily (9)INSULATOR
- 6 Across: A quick back-and-forth movement (9)VIBRATION
- 7 Across: How hot or cold something is (11)TEMPERATURE
- 9 Across: To say what you think will happen based on evidence (7)PREDICT
- 2 Down: A tiny particle of light energy (6)PHOTON
- 4 Down: A chemical change when substances interact (8)REACTION
- 5 Down: A state of matter that flows and takes the shape of its container (6)LIQUID
- 8 Down: The amount of matter in an object (4)MASS
🔬 Science Crossword #2
13×13 grid
Across
- 2 The slow process of living things changing over many years
- 5 A push or pull that can change how something moves
- 6 Any living thing such as a plant or animal
- 7 A gas in the air that living things need to breathe
Down
- 1 A final decision reached after studying results
- 2 When water changes from a liquid to a gas
- 3 A path that electricity travels along
- 4 The upward force that makes things float in water
Answers
- 2 Across: The slow process of living things changing over many years (9)EVOLUTION
- 5 Across: A push or pull that can change how something moves (5)FORCE
- 6 Across: Any living thing such as a plant or animal (8)ORGANISM
- 7 Across: A gas in the air that living things need to breathe (6)OXYGEN
- 1 Down: A final decision reached after studying results (10)CONCLUSION
- 2 Down: When water changes from a liquid to a gas (11)EVAPORATION
- 3 Down: A path that electricity travels along (7)CIRCUIT
- 4 Down: The upward force that makes things float in water (8)BUOYANCY
🔬 Science Crossword #3
13×13 grid
Across
- 4 The bending of light as it passes from one material to another
- 5 A sample of something used for study
- 7 A path that electricity travels along
- 8 A thread-like structure in cells that carries genetic information
Down
- 1 How often something happens in a given time
- 2 A natural solid substance found in the earth
- 3 The natural home of an animal or plant
- 6 The central part of a cell that controls its activity
Answers
- 4 Across: The bending of light as it passes from one material to another (10)REFRACTION
- 5 Across: A sample of something used for study (8)SPECIMEN
- 7 Across: A path that electricity travels along (7)CIRCUIT
- 8 Across: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 1 Down: How often something happens in a given time (9)FREQUENCY
- 2 Down: A natural solid substance found in the earth (7)MINERAL
- 3 Down: The natural home of an animal or plant (7)HABITAT
- 6 Down: The central part of a cell that controls its activity (7)NUCLEUS
🔬 Science Crossword #4
13×13 grid
Across
- 2 The force that slows things down when they rub together
- 7 A glass building for growing plants or the warming effect on Earth
- 8 A material that electricity or heat can pass through easily
- 9 A thread-like structure in cells that carries genetic information
Down
- 1 A mountain with an opening that can erupt hot lava
- 3 A gas in the air that living things need to breathe
- 4 The distance between one wave peak and the next
- 5 A curved piece of glass that bends light
- 6 Something in an experiment that can be changed or measured
Answers
- 2 Across: The force that slows things down when they rub together (8)FRICTION
- 7 Across: A glass building for growing plants or the warming effect on Earth (10)GREENHOUSE
- 8 Across: A material that electricity or heat can pass through easily (9)CONDUCTOR
- 9 Across: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 1 Down: A mountain with an opening that can erupt hot lava (7)VOLCANO
- 3 Down: A gas in the air that living things need to breathe (6)OXYGEN
- 4 Down: The distance between one wave peak and the next (10)WAVELENGTH
- 5 Down: A curved piece of glass that bends light (4)LENS
- 6 Down: Something in an experiment that can be changed or measured (8)VARIABLE
🔬 Science Crossword #5
13×13 grid
Across
- 1 A sample of something used for study
- 5 Small pieces of rock and soil carried by water and wind
- 8 A substance that living things need for energy and growth
- 9 The invisible force that pulls things toward the Earth
- 10 A substance made of two or more elements bonded together
Down
- 2 Any water that falls from clouds such as rain, snow, or hail
- 3 An object that attracts iron and some other metals
- 4 The central part of a cell that controls its activity
- 6 A curved piece of glass that bends light
- 7 The upward force that makes things float in water
Answers
- 1 Across: A sample of something used for study (8)SPECIMEN
- 5 Across: Small pieces of rock and soil carried by water and wind (8)SEDIMENT
- 8 Across: A substance that living things need for energy and growth (8)NUTRIENT
- 9 Across: The invisible force that pulls things toward the Earth (7)GRAVITY
- 10 Across: A substance made of two or more elements bonded together (8)COMPOUND
- 2 Down: Any water that falls from clouds such as rain, snow, or hail (13)PRECIPITATION
- 3 Down: An object that attracts iron and some other metals (6)MAGNET
- 4 Down: The central part of a cell that controls its activity (7)NUCLEUS
- 6 Down: A curved piece of glass that bends light (4)LENS
- 7 Down: The upward force that makes things float in water (8)BUOYANCY
Solver Notes
1
2
3
4
5
6
7
8
9
Across
- 1. A tool that makes very tiny things look bigger
- 3. A material that does not let electricity or heat pass through easily
- 6. A quick back-and-forth movement
- 7. How hot or cold something is
- 9. To say what you think will happen based on evidence
Down
- 2. A tiny particle of light energy
- 4. A chemical change when substances interact
- 5. A state of matter that flows and takes the shape of its container
- 8. The amount of matter in an object
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.