Classic Crosswords Classic Science Hard — Set 19
🔬 Science Crossword #1
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Across
- 1. The steps followed to do an experiment
- 4. A pattern of energy moving through space or matter
- 7. All the chemical processes in your body that keep you alive
- 8. The rate at which something speeds up
Down
- 2. When water changes from a liquid to a gas
- 3. The amount of space something takes up
- 5. The wearing away of land by water, wind, or ice
- 6. Related to the large plates that make up Earth's surface
Show answers
- 1 Across: The steps followed to do an experiment (9)PROCEDURE
- 4 Across: A pattern of energy moving through space or matter (4)WAVE
- 7 Across: All the chemical processes in your body that keep you alive (10)METABOLISM
- 8 Across: The rate at which something speeds up (12)ACCELERATION
- 2 Down: When water changes from a liquid to a gas (11)EVAPORATION
- 3 Down: The amount of space something takes up (6)VOLUME
- 5 Down: The wearing away of land by water, wind, or ice (7)EROSION
- 6 Down: Related to the large plates that make up Earth's surface (8)TECTONIC
🔬 Science Crossword #2
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Across
- 1. A sample of something used for study
- 3. A state of matter that spreads to fill any space
- 5. The slow process of living things changing over many years
- 6. The upward force that makes things float in water
- 7. A path that electricity travels along
- 8. Vibrations that travel through the air and are heard by ears
Down
- 2. When water changes from a liquid to a gas
- 4. A hard solid piece of the Earth made of minerals
Show answers
- 1 Across: A sample of something used for study (8)SPECIMEN
- 3 Across: A state of matter that spreads to fill any space (3)GAS
- 5 Across: The slow process of living things changing over many years (9)EVOLUTION
- 6 Across: The upward force that makes things float in water (8)BUOYANCY
- 7 Across: A path that electricity travels along (7)CIRCUIT
- 8 Across: Vibrations that travel through the air and are heard by ears (5)SOUND
- 2 Down: When water changes from a liquid to a gas (11)EVAPORATION
- 4 Down: A hard solid piece of the Earth made of minerals (4)ROCK
🔬 Science Crossword #3
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Across
- 2. Facts and information collected from experiments
- 3. The act of moving or changing position
- 5. Carefully watching and noting what happens
- 6. A state of matter that flows and takes the shape of its container
- 7. When light bounces off a surface like a mirror
Down
- 1. Something in an experiment that can be changed or measured
- 3. To find the size, amount, or degree of something
- 4. The tiny building block that makes up all living things
Show answers
- 2 Across: Facts and information collected from experiments (4)DATA
- 3 Across: The act of moving or changing position (6)MOTION
- 5 Across: Carefully watching and noting what happens (11)OBSERVATION
- 6 Across: A state of matter that flows and takes the shape of its container (6)LIQUID
- 7 Across: When light bounces off a surface like a mirror (10)REFLECTION
- 1 Down: Something in an experiment that can be changed or measured (8)VARIABLE
- 3 Down: To find the size, amount, or degree of something (7)MEASURE
- 4 Down: The tiny building block that makes up all living things (4)CELL
🔬 Science Crossword #4
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Across
- 3. How tightly packed the matter is in something
- 4. The tiny building block that makes up all living things
- 8. When one substance soaks up or takes in another
Down
- 1. How hot or cold something is
- 2. Any water that falls from clouds such as rain, snow, or hail
- 5. The part of an experiment that stays the same for comparison
- 6. A sample of something used for study
- 7. The molecule inside cells that carries instructions for life
Show answers
- 3 Across: How tightly packed the matter is in something (7)DENSITY
- 4 Across: The tiny building block that makes up all living things (4)CELL
- 8 Across: When one substance soaks up or takes in another (10)ABSORPTION
- 1 Down: How hot or cold something is (11)TEMPERATURE
- 2 Down: Any water that falls from clouds such as rain, snow, or hail (13)PRECIPITATION
- 5 Down: The part of an experiment that stays the same for comparison (7)CONTROL
- 6 Down: A sample of something used for study (8)SPECIMEN
- 7 Down: The molecule inside cells that carries instructions for life (3)DNA
🔬 Science Crossword #5
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Across
- 1. The act of moving or changing position
- 6. The process of making new living things
- 7. The amount of matter in an object
- 8. To study something carefully to understand it
Down
- 1. All the chemical processes in your body that keep you alive
- 2. A change in a living thing that helps it survive
- 3. A form of energy that makes things warm
- 4. An educated guess about what will happen in an experiment
- 5. To say what you think will happen based on evidence
Show answers
- 1 Across: The act of moving or changing position (6)MOTION
- 6 Across: The process of making new living things (12)REPRODUCTION
- 7 Across: The amount of matter in an object (4)MASS
- 8 Across: To study something carefully to understand it (7)ANALYZE
- 1 Down: All the chemical processes in your body that keep you alive (10)METABOLISM
- 2 Down: A change in a living thing that helps it survive (10)ADAPTATION
- 3 Down: A form of energy that makes things warm (4)HEAT
- 4 Down: An educated guess about what will happen in an experiment (10)HYPOTHESIS
- 5 Down: To say what you think will happen based on evidence (7)PREDICT
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.