Classic Crosswords Classic Science Hard — Set 29
🔬 Science Crossword #1
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Across
- 2. The force that slows things down when they rub together
- 5. Facts that show something is true
- 6. A tool that makes far-away things look closer
- 7. Carefully watching and noting what happens
- 8. The slow process of living things changing over many years
Down
- 1. To say what you think will happen based on evidence
- 3. The tiny building block that makes up all living things
- 4. A chemical change when substances interact
Show answers
- 2 Across: The force that slows things down when they rub together (8)FRICTION
- 5 Across: Facts that show something is true (8)EVIDENCE
- 6 Across: A tool that makes far-away things look closer (9)TELESCOPE
- 7 Across: Carefully watching and noting what happens (11)OBSERVATION
- 8 Across: The slow process of living things changing over many years (9)EVOLUTION
- 1 Down: To say what you think will happen based on evidence (7)PREDICT
- 3 Down: The tiny building block that makes up all living things (4)CELL
- 4 Down: A chemical change when substances interact (8)REACTION
🔬 Science Crossword #2
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Across
- 1. All the chemical processes in your body that keep you alive
- 3. The upward force that makes things float in water
- 5. Two or more atoms joined together
- 7. The smallest piece of matter that makes up everything
- 8. Vibrations that travel through the air and are heard by ears
Down
- 2. To study something carefully to understand it
- 4. The process of getting bigger or more developed
- 6. A curved piece of glass that bends light
Show answers
- 1 Across: All the chemical processes in your body that keep you alive (10)METABOLISM
- 3 Across: The upward force that makes things float in water (8)BUOYANCY
- 5 Across: Two or more atoms joined together (8)MOLECULE
- 7 Across: The smallest piece of matter that makes up everything (4)ATOM
- 8 Across: Vibrations that travel through the air and are heard by ears (5)SOUND
- 2 Down: To study something carefully to understand it (7)ANALYZE
- 4 Down: The process of getting bigger or more developed (6)GROWTH
- 6 Down: A curved piece of glass that bends light (4)LENS
🔬 Science Crossword #3
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Across
- 3. A tiny particle of light energy
- 5. Facts and information collected from experiments
- 6. A state of matter that holds its shape
- 10. A curved piece of glass that bends light
- 11. A tool that makes far-away things look closer
Down
- 1. An object that attracts iron and some other metals
- 2. Vibrations that travel through the air and are heard by ears
- 4. A state of matter that spreads to fill any space
- 7. A gas in the air that living things need to breathe
- 8. A glass container used in science experiments
- 9. Anything that takes up space and has weight
Show answers
- 3 Across: A tiny particle of light energy (6)PHOTON
- 5 Across: Facts and information collected from experiments (4)DATA
- 6 Across: A state of matter that holds its shape (5)SOLID
- 10 Across: A curved piece of glass that bends light (4)LENS
- 11 Across: A tool that makes far-away things look closer (9)TELESCOPE
- 1 Down: An object that attracts iron and some other metals (6)MAGNET
- 2 Down: Vibrations that travel through the air and are heard by ears (5)SOUND
- 4 Down: A state of matter that spreads to fill any space (3)GAS
- 7 Down: A gas in the air that living things need to breathe (6)OXYGEN
- 8 Down: A glass container used in science experiments (6)BEAKER
- 9 Down: Anything that takes up space and has weight (6)MATTER
🔬 Science Crossword #4
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Across
- 6. When a gas cools and turns back into a liquid
- 8. A curved piece of glass that bends light
- 9. The amount of matter in an object
- 10. Any living thing such as a plant or animal
Down
- 1. The upward force that makes things float in water
- 2. A natural solid substance found in the earth
- 3. An educated guess about what will happen in an experiment
- 4. To write down information for later use
- 5. The molecule inside cells that carries instructions for life
- 7. Vibrations that travel through the air and are heard by ears
Show answers
- 6 Across: When a gas cools and turns back into a liquid (12)CONDENSATION
- 8 Across: A curved piece of glass that bends light (4)LENS
- 9 Across: The amount of matter in an object (4)MASS
- 10 Across: Any living thing such as a plant or animal (8)ORGANISM
- 1 Down: The upward force that makes things float in water (8)BUOYANCY
- 2 Down: A natural solid substance found in the earth (7)MINERAL
- 3 Down: An educated guess about what will happen in an experiment (10)HYPOTHESIS
- 4 Down: To write down information for later use (6)RECORD
- 5 Down: The molecule inside cells that carries instructions for life (3)DNA
- 7 Down: Vibrations that travel through the air and are heard by ears (5)SOUND
🔬 Science Crossword #5
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Across
- 3. A curved piece of glass that bends light
- 5. Something in an experiment that can be changed or measured
- 6. The wearing away of land by water, wind, or ice
- 8. To say what you think will happen based on evidence
Down
- 1. The power that makes things move or change
- 2. An object that attracts iron and some other metals
- 4. A sample of something used for study
- 7. A hard solid piece of the Earth made of minerals
Show answers
- 3 Across: A curved piece of glass that bends light (4)LENS
- 5 Across: Something in an experiment that can be changed or measured (8)VARIABLE
- 6 Across: The wearing away of land by water, wind, or ice (7)EROSION
- 8 Across: To say what you think will happen based on evidence (7)PREDICT
- 1 Down: The power that makes things move or change (6)ENERGY
- 2 Down: An object that attracts iron and some other metals (6)MAGNET
- 4 Down: A sample of something used for study (8)SPECIMEN
- 7 Down: A hard solid piece of the Earth made of minerals (4)ROCK
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.