Classic Crosswords Classic Science Hard — Set 15
🔬 Science Crossword #1
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Across
- 2. A hard solid piece of the Earth made of minerals
- 4. How tightly packed the matter is in something
- 6. A community of living things and their environment working together
- 7. The invisible force that pulls things toward the Earth
- 8. A sudden shaking of the ground caused by movements deep inside Earth
Down
- 1. A mountain with an opening that can erupt hot lava
- 3. A gas in the air that living things need to breathe
- 5. The band of colors formed when white light is split
Show answers
- 2 Across: A hard solid piece of the Earth made of minerals (4)ROCK
- 4 Across: How tightly packed the matter is in something (7)DENSITY
- 6 Across: A community of living things and their environment working together (9)ECOSYSTEM
- 7 Across: The invisible force that pulls things toward the Earth (7)GRAVITY
- 8 Across: A sudden shaking of the ground caused by movements deep inside Earth (10)EARTHQUAKE
- 1 Down: A mountain with an opening that can erupt hot lava (7)VOLCANO
- 3 Down: A gas in the air that living things need to breathe (6)OXYGEN
- 5 Down: The band of colors formed when white light is split (8)SPECTRUM
🔬 Science Crossword #2
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Across
- 3. A mixture where one substance dissolves completely in another
- 4. A substance made of two or more elements bonded together
- 6. The process of getting bigger or more developed
- 7. A tool that makes very tiny things look bigger
Down
- 1. Facts and information collected from experiments
- 2. The upward force that makes things float in water
- 3. The band of colors formed when white light is split
- 5. A gas in the air that living things need to breathe
Show answers
- 3 Across: A mixture where one substance dissolves completely in another (8)SOLUTION
- 4 Across: A substance made of two or more elements bonded together (8)COMPOUND
- 6 Across: The process of getting bigger or more developed (6)GROWTH
- 7 Across: A tool that makes very tiny things look bigger (10)MICROSCOPE
- 1 Down: Facts and information collected from experiments (4)DATA
- 2 Down: The upward force that makes things float in water (8)BUOYANCY
- 3 Down: The band of colors formed when white light is split (8)SPECTRUM
- 5 Down: A gas in the air that living things need to breathe (6)OXYGEN
🔬 Science Crossword #3
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Across
- 1. A quick back-and-forth movement
- 4. A glass container used in science experiments
- 6. To write down information for later use
- 8. A form of energy used to power lights and machines
Down
- 2. The rate at which something speeds up
- 3. An object that attracts iron and some other metals
- 5. The amount of space something takes up
- 7. A gas in the air that living things need to breathe
Show answers
- 1 Across: A quick back-and-forth movement (9)VIBRATION
- 4 Across: A glass container used in science experiments (6)BEAKER
- 6 Across: To write down information for later use (6)RECORD
- 8 Across: A form of energy used to power lights and machines (11)ELECTRICITY
- 2 Down: The rate at which something speeds up (12)ACCELERATION
- 3 Down: An object that attracts iron and some other metals (6)MAGNET
- 5 Down: The amount of space something takes up (6)VOLUME
- 7 Down: A gas in the air that living things need to breathe (6)OXYGEN
🔬 Science Crossword #4
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Across
- 3. Two or more atoms joined together
- 5. A tool that makes far-away things look closer
- 6. A path that electricity travels along
- 8. Something in an experiment that can be changed or measured
- 9. A pure substance made of only one type of atom
Down
- 1. The force that slows things down when they rub together
- 2. The band of colors formed when white light is split
- 4. Carefully watching and noting what happens
- 7. The tiny building block that makes up all living things
Show answers
- 3 Across: Two or more atoms joined together (8)MOLECULE
- 5 Across: A tool that makes far-away things look closer (9)TELESCOPE
- 6 Across: A path that electricity travels along (7)CIRCUIT
- 8 Across: Something in an experiment that can be changed or measured (8)VARIABLE
- 9 Across: A pure substance made of only one type of atom (7)ELEMENT
- 1 Down: The force that slows things down when they rub together (8)FRICTION
- 2 Down: The band of colors formed when white light is split (8)SPECTRUM
- 4 Down: Carefully watching and noting what happens (11)OBSERVATION
- 7 Down: The tiny building block that makes up all living things (4)CELL
🔬 Science Crossword #5
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Across
- 3. A hard solid piece of the Earth made of minerals
- 5. A pattern of energy moving through space or matter
- 6. To write down information for later use
- 9. A final decision reached after studying results
- 10. Related to the large plates that make up Earth's surface
Down
- 1. How often something happens in a given time
- 2. A state of matter that spreads to fill any space
- 4. The passing of traits from parents to their children
- 7. A mixture where one substance dissolves completely in another
- 8. To study something carefully to understand it
Show answers
- 3 Across: A hard solid piece of the Earth made of minerals (4)ROCK
- 5 Across: A pattern of energy moving through space or matter (4)WAVE
- 6 Across: To write down information for later use (6)RECORD
- 9 Across: A final decision reached after studying results (10)CONCLUSION
- 10 Across: Related to the large plates that make up Earth's surface (8)TECTONIC
- 1 Down: How often something happens in a given time (9)FREQUENCY
- 2 Down: A state of matter that spreads to fill any space (3)GAS
- 4 Down: The passing of traits from parents to their children (8)HEREDITY
- 7 Down: A mixture where one substance dissolves completely in another (8)SOLUTION
- 8 Down: To study something carefully to understand it (7)ANALYZE
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.