Classic Crosswords Classic Science Medium — Set 21
Puzzle Set
5 puzzles in this set
🔬 Science Crossword #1
13×13 grid
Across
- 1 The natural home of an animal or plant
- 4 A state of matter that spreads to fill any space
- 5 The amount of space something takes up
- 7 To study something carefully to understand it
- 8 When light bounces off a surface like a mirror
- 9 The upward force that makes things float in water
Down
- 2 A change in a living thing that helps it survive
- 3 Vibrations that travel through the air and are heard by ears
- 6 The passing of traits from parents to their children
Answers
- 1 Across: The natural home of an animal or plant (7)HABITAT
- 4 Across: A state of matter that spreads to fill any space (3)GAS
- 5 Across: The amount of space something takes up (6)VOLUME
- 7 Across: To study something carefully to understand it (7)ANALYZE
- 8 Across: When light bounces off a surface like a mirror (10)REFLECTION
- 9 Across: The upward force that makes things float in water (8)BUOYANCY
- 2 Down: A change in a living thing that helps it survive (10)ADAPTATION
- 3 Down: Vibrations that travel through the air and are heard by ears (5)SOUND
- 6 Down: The passing of traits from parents to their children (8)HEREDITY
🔬 Science Crossword #2
13×13 grid
Across
- 2 A material that electricity or heat can pass through easily
- 3 The tendency of an object to stay still or keep moving
- 4 The process of making new living things
- 6 When water changes from a liquid to a gas
- 7 Facts that show something is true
Down
- 1 Any water that falls from clouds such as rain, snow, or hail
- 4 To write down information for later use
- 5 A state of matter that spreads to fill any space
Answers
- 2 Across: A material that electricity or heat can pass through easily (9)CONDUCTOR
- 3 Across: The tendency of an object to stay still or keep moving (7)INERTIA
- 4 Across: The process of making new living things (12)REPRODUCTION
- 6 Across: When water changes from a liquid to a gas (11)EVAPORATION
- 7 Across: Facts that show something is true (8)EVIDENCE
- 1 Down: Any water that falls from clouds such as rain, snow, or hail (13)PRECIPITATION
- 4 Down: To write down information for later use (6)RECORD
- 5 Down: A state of matter that spreads to fill any space (3)GAS
🔬 Science Crossword #3
13×13 grid
Across
- 4 To study something carefully to understand it
- 6 To say what you think will happen based on evidence
- 7 A gas in the air that living things need to breathe
- 8 The force that makes magnets attract or repel
Down
- 1 A pure substance made of only one type of atom
- 2 A mixture where one substance dissolves completely in another
- 3 An educated guess about what will happen in an experiment
- 5 A push or pull that can change how something moves
Answers
- 4 Across: To study something carefully to understand it (7)ANALYZE
- 6 Across: To say what you think will happen based on evidence (7)PREDICT
- 7 Across: A gas in the air that living things need to breathe (6)OXYGEN
- 8 Across: The force that makes magnets attract or repel (9)MAGNETISM
- 1 Down: A pure substance made of only one type of atom (7)ELEMENT
- 2 Down: A mixture where one substance dissolves completely in another (8)SOLUTION
- 3 Down: An educated guess about what will happen in an experiment (10)HYPOTHESIS
- 5 Down: A push or pull that can change how something moves (5)FORCE
🔬 Science Crossword #4
13×13 grid
Across
- 1 How hot or cold something is
- 3 The act of moving or changing position
- 6 A glass container used in science experiments
- 7 A chemical change when substances interact
- 8 An educated guess about what will happen in an experiment
- 9 A curved piece of glass that bends light
Down
- 2 The process of making new living things
- 4 A tool that makes far-away things look closer
- 5 To write down information for later use
Answers
- 1 Across: How hot or cold something is (11)TEMPERATURE
- 3 Across: The act of moving or changing position (6)MOTION
- 6 Across: A glass container used in science experiments (6)BEAKER
- 7 Across: A chemical change when substances interact (8)REACTION
- 8 Across: An educated guess about what will happen in an experiment (10)HYPOTHESIS
- 9 Across: A curved piece of glass that bends light (4)LENS
- 2 Down: The process of making new living things (12)REPRODUCTION
- 4 Down: A tool that makes far-away things look closer (9)TELESCOPE
- 5 Down: To write down information for later use (6)RECORD
🔬 Science Crossword #5
13×13 grid
Across
- 3 The central part of a cell that controls its activity
- 4 A tool that makes very tiny things look bigger
- 5 To find the size, amount, or degree of something
- 7 A form of energy that allows us to see
- 9 The amount of space something takes up
Down
- 1 A natural solid substance found in the earth
- 2 Small pieces of rock and soil carried by water and wind
- 6 To write down information for later use
- 8 A form of energy that makes things warm
Answers
- 3 Across: The central part of a cell that controls its activity (7)NUCLEUS
- 4 Across: A tool that makes very tiny things look bigger (10)MICROSCOPE
- 5 Across: To find the size, amount, or degree of something (7)MEASURE
- 7 Across: A form of energy that allows us to see (5)LIGHT
- 9 Across: The amount of space something takes up (6)VOLUME
- 1 Down: A natural solid substance found in the earth (7)MINERAL
- 2 Down: Small pieces of rock and soil carried by water and wind (8)SEDIMENT
- 6 Down: To write down information for later use (6)RECORD
- 8 Down: A form of energy that makes things warm (4)HEAT
Solver Notes
- 1. The natural home of an animal or plant
- 4. A state of matter that spreads to fill any space
- 5. The amount of space something takes up
- 7. To study something carefully to understand it
- 8. When light bounces off a surface like a mirror
- 9. The upward force that makes things float in water
- 2. A change in a living thing that helps it survive
- 3. Vibrations that travel through the air and are heard by ears
- 6. The passing of traits from parents to their children
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.
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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.