Classic Crosswords Classic Science Medium — Set 14
Puzzle Set
5 puzzles in this set
🔬 Science Crossword #1
13×13 grid
Across
- 3 A quick back-and-forth movement
- 8 When water changes from a liquid to a gas
- 10 When one substance soaks up or takes in another
Down
- 1 A state of matter that spreads to fill any space
- 2 A material that electricity or heat can pass through easily
- 4 An educated guess about what will happen in an experiment
- 5 A group of living things that are the same kind
- 6 A tiny particle of light energy
- 7 The amount of matter in an object
- 9 The molecule inside cells that carries instructions for life
Answers
- 3 Across: A quick back-and-forth movement (9)VIBRATION
- 8 Across: When water changes from a liquid to a gas (11)EVAPORATION
- 10 Across: When one substance soaks up or takes in another (10)ABSORPTION
- 1 Down: A state of matter that spreads to fill any space (3)GAS
- 2 Down: A material that electricity or heat can pass through easily (9)CONDUCTOR
- 4 Down: An educated guess about what will happen in an experiment (10)HYPOTHESIS
- 5 Down: A group of living things that are the same kind (7)SPECIES
- 6 Down: A tiny particle of light energy (6)PHOTON
- 7 Down: The amount of matter in an object (4)MASS
- 9 Down: The molecule inside cells that carries instructions for life (3)DNA
🔬 Science Crossword #2
13×13 grid
Across
- 2 Two or more atoms joined together
- 6 A natural solid substance found in the earth
- 7 A unit of information that passes traits from parents to children
- 8 The force that makes magnets attract or repel
Down
- 1 A sample of something used for study
- 3 The tiny building block that makes up all living things
- 4 The molecule inside cells that carries instructions for life
- 5 Any living thing such as a plant or animal
Answers
- 2 Across: Two or more atoms joined together (8)MOLECULE
- 6 Across: A natural solid substance found in the earth (7)MINERAL
- 7 Across: A unit of information that passes traits from parents to children (4)GENE
- 8 Across: The force that makes magnets attract or repel (9)MAGNETISM
- 1 Down: A sample of something used for study (8)SPECIMEN
- 3 Down: The tiny building block that makes up all living things (4)CELL
- 4 Down: The molecule inside cells that carries instructions for life (3)DNA
- 5 Down: Any living thing such as a plant or animal (8)ORGANISM
🔬 Science Crossword #3
13×13 grid
Across
- 5 A path that electricity travels along
- 7 When a gas cools and turns back into a liquid
- 8 The amount of space something takes up
Down
- 1 The central part of a cell that controls its activity
- 2 The passing of traits from parents to their children
- 3 How often something happens in a given time
- 4 A substance made of two or more elements bonded together
- 6 A community of living things and their environment working together
Answers
- 5 Across: A path that electricity travels along (7)CIRCUIT
- 7 Across: When a gas cools and turns back into a liquid (12)CONDENSATION
- 8 Across: The amount of space something takes up (6)VOLUME
- 1 Down: The central part of a cell that controls its activity (7)NUCLEUS
- 2 Down: The passing of traits from parents to their children (8)HEREDITY
- 3 Down: How often something happens in a given time (9)FREQUENCY
- 4 Down: A substance made of two or more elements bonded together (8)COMPOUND
- 6 Down: A community of living things and their environment working together (9)ECOSYSTEM
🔬 Science Crossword #4
13×13 grid
Across
- 3 To write down information for later use
- 5 A glass building for growing plants or the warming effect on Earth
- 7 The molecule inside cells that carries instructions for life
- 8 A material that does not let electricity or heat pass through easily
Down
- 1 A tiny particle of light energy
- 2 A glass container used in science experiments
- 4 The distance between one wave peak and the next
- 6 A form of energy that makes things warm
Answers
- 3 Across: To write down information for later use (6)RECORD
- 5 Across: A glass building for growing plants or the warming effect on Earth (10)GREENHOUSE
- 7 Across: The molecule inside cells that carries instructions for life (3)DNA
- 8 Across: A material that does not let electricity or heat pass through easily (9)INSULATOR
- 1 Down: A tiny particle of light energy (6)PHOTON
- 2 Down: A glass container used in science experiments (6)BEAKER
- 4 Down: The distance between one wave peak and the next (10)WAVELENGTH
- 6 Down: A form of energy that makes things warm (4)HEAT
🔬 Science Crossword #5
13×13 grid
Across
- 1 Something in an experiment that can be changed or measured
- 4 The act of moving or changing position
- 6 A gas in the air that living things need to breathe
- 7 A sample of something used for study
- 8 A thread-like structure in cells that carries genetic information
- 9 A pure substance made of only one type of atom
Down
- 2 Facts that show something is true
- 3 A unit of information that passes traits from parents to children
- 5 A substance that living things need for energy and growth
Answers
- 1 Across: Something in an experiment that can be changed or measured (8)VARIABLE
- 4 Across: The act of moving or changing position (6)MOTION
- 6 Across: A gas in the air that living things need to breathe (6)OXYGEN
- 7 Across: A sample of something used for study (8)SPECIMEN
- 8 Across: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 9 Across: A pure substance made of only one type of atom (7)ELEMENT
- 2 Down: Facts that show something is true (8)EVIDENCE
- 3 Down: A unit of information that passes traits from parents to children (4)GENE
- 5 Down: A substance that living things need for energy and growth (8)NUTRIENT
Solver Notes
- 3. A quick back-and-forth movement
- 8. When water changes from a liquid to a gas
- 10. When one substance soaks up or takes in another
- 1. A state of matter that spreads to fill any space
- 2. A material that electricity or heat can pass through easily
- 4. An educated guess about what will happen in an experiment
- 5. A group of living things that are the same kind
- 6. A tiny particle of light energy
- 7. The amount of matter in an object
- 9. The molecule inside cells that carries instructions for life
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.
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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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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.