Classic Crosswords Classic Science Hard — Set 26
🔬 Science Crossword #1
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Across
- 5. How hot or cold something is
- 8. A natural solid substance found in the earth
- 9. A sudden shaking of the ground caused by movements deep inside Earth
Down
- 1. The natural home of an animal or plant
- 2. A quick back-and-forth movement
- 3. A gas in the air that living things need to breathe
- 4. To write down information for later use
- 6. Anything that takes up space and has weight
- 7. A state of matter that holds its shape
Show answers
- 5 Across: How hot or cold something is (11)TEMPERATURE
- 8 Across: A natural solid substance found in the earth (7)MINERAL
- 9 Across: A sudden shaking of the ground caused by movements deep inside Earth (10)EARTHQUAKE
- 1 Down: The natural home of an animal or plant (7)HABITAT
- 2 Down: A quick back-and-forth movement (9)VIBRATION
- 3 Down: A gas in the air that living things need to breathe (6)OXYGEN
- 4 Down: To write down information for later use (6)RECORD
- 6 Down: Anything that takes up space and has weight (6)MATTER
- 7 Down: A state of matter that holds its shape (5)SOLID
🔬 Science Crossword #2
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Across
- 1. An object that attracts iron and some other metals
- 4. A unit of information that passes traits from parents to children
- 5. Anything that takes up space and has weight
- 6. The molecule inside cells that carries instructions for life
- 9. A material that electricity or heat can pass through easily
- 10. The smallest piece of matter that makes up everything
Down
- 2. A change in a living thing that helps it survive
- 3. All the chemical processes in your body that keep you alive
- 7. Small pieces of rock and soil carried by water and wind
- 8. The passing of traits from parents to their children
Show answers
- 1 Across: An object that attracts iron and some other metals (6)MAGNET
- 4 Across: A unit of information that passes traits from parents to children (4)GENE
- 5 Across: Anything that takes up space and has weight (6)MATTER
- 6 Across: The molecule inside cells that carries instructions for life (3)DNA
- 9 Across: A material that electricity or heat can pass through easily (9)CONDUCTOR
- 10 Across: The smallest piece of matter that makes up everything (4)ATOM
- 2 Down: A change in a living thing that helps it survive (10)ADAPTATION
- 3 Down: All the chemical processes in your body that keep you alive (10)METABOLISM
- 7 Down: Small pieces of rock and soil carried by water and wind (8)SEDIMENT
- 8 Down: The passing of traits from parents to their children (8)HEREDITY
🔬 Science Crossword #3
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Across
- 1. A change in a living thing that helps it survive
- 3. The tiny building block that makes up all living things
- 4. When light bounces off a surface like a mirror
- 5. The distance between one wave peak and the next
- 6. A quick back-and-forth movement
- 7. When a gas cools and turns back into a liquid
Down
- 1. The rate at which something speeds up
- 2. A gas in the air that living things need to breathe
Show answers
- 1 Across: A change in a living thing that helps it survive (10)ADAPTATION
- 3 Across: The tiny building block that makes up all living things (4)CELL
- 4 Across: When light bounces off a surface like a mirror (10)REFLECTION
- 5 Across: The distance between one wave peak and the next (10)WAVELENGTH
- 6 Across: A quick back-and-forth movement (9)VIBRATION
- 7 Across: When a gas cools and turns back into a liquid (12)CONDENSATION
- 1 Down: The rate at which something speeds up (12)ACCELERATION
- 2 Down: A gas in the air that living things need to breathe (6)OXYGEN
🔬 Science Crossword #4
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Across
- 6. How hot or cold something is
- 7. The force that makes magnets attract or repel
- 9. How tightly packed the matter is in something
Down
- 1. Small pieces of rock and soil carried by water and wind
- 2. When one substance soaks up or takes in another
- 3. The natural home of an animal or plant
- 4. A test done to discover something new
- 5. Vibrations that travel through the air and are heard by ears
- 8. A state of matter that spreads to fill any space
Show answers
- 6 Across: How hot or cold something is (11)TEMPERATURE
- 7 Across: The force that makes magnets attract or repel (9)MAGNETISM
- 9 Across: How tightly packed the matter is in something (7)DENSITY
- 1 Down: Small pieces of rock and soil carried by water and wind (8)SEDIMENT
- 2 Down: When one substance soaks up or takes in another (10)ABSORPTION
- 3 Down: The natural home of an animal or plant (7)HABITAT
- 4 Down: A test done to discover something new (10)EXPERIMENT
- 5 Down: Vibrations that travel through the air and are heard by ears (5)SOUND
- 8 Down: A state of matter that spreads to fill any space (3)GAS
🔬 Science Crossword #5
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Across
- 1. The remains of a plant or animal from long ago preserved in rock
- 2. The tiny building block that makes up all living things
- 5. The amount of space something takes up
- 7. The central part of a cell that controls its activity
- 8. An educated guess about what will happen in an experiment
- 9. A group of living things that are the same kind
Down
- 1. How often something happens in a given time
- 3. A glass building for growing plants or the warming effect on Earth
- 4. The amount of matter in an object
- 6. To sort things into groups based on their features
Show answers
- 1 Across: The remains of a plant or animal from long ago preserved in rock (6)FOSSIL
- 2 Across: The tiny building block that makes up all living things (4)CELL
- 5 Across: The amount of space something takes up (6)VOLUME
- 7 Across: The central part of a cell that controls its activity (7)NUCLEUS
- 8 Across: An educated guess about what will happen in an experiment (10)HYPOTHESIS
- 9 Across: A group of living things that are the same kind (7)SPECIES
- 1 Down: How often something happens in a given time (9)FREQUENCY
- 3 Down: A glass building for growing plants or the warming effect on Earth (10)GREENHOUSE
- 4 Down: The amount of matter in an object (4)MASS
- 6 Down: To sort things into groups based on their features (8)CLASSIFY
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.