Classic Crosswords Science Hard — Set 25
🔬 Science Crossword #1
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Across
- 1. The natural home of an animal or plant
- 3. The power that makes things move or change
- 7. Two or more substances mixed together but not chemically joined
- 8. A final decision reached after studying results
- 9. How often something happens in a given time
Down
- 2. To study something carefully to understand it
- 4. The process of getting bigger or more developed
- 5. The part of an experiment that stays the same for comparison
- 6. When a solid mixes into a liquid and seems to disappear
Show answers
- 1 Across: The natural home of an animal or plant (7)HABITAT
- 3 Across: The power that makes things move or change (6)ENERGY
- 7 Across: Two or more substances mixed together but not chemically joined (7)MIXTURE
- 8 Across: A final decision reached after studying results (10)CONCLUSION
- 9 Across: How often something happens in a given time (9)FREQUENCY
- 2 Down: To study something carefully to understand it (7)ANALYZE
- 4 Down: The process of getting bigger or more developed (6)GROWTH
- 5 Down: The part of an experiment that stays the same for comparison (7)CONTROL
- 6 Down: When a solid mixes into a liquid and seems to disappear (8)DISSOLVE
🔬 Science Crossword #2
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Across
- 6. The smallest piece of matter that makes up everything
- 7. A form of energy that allows us to see
- 8. A substance made of two or more elements bonded together
Down
- 1. The force that makes magnets attract or repel
- 2. An educated guess about what will happen in an experiment
- 3. A form of energy used to power lights and machines
- 4. A material that does not let electricity or heat pass through easily
- 5. Anything that takes up space and has weight
Show answers
- 6 Across: The smallest piece of matter that makes up everything (4)ATOM
- 7 Across: A form of energy that allows us to see (5)LIGHT
- 8 Across: A substance made of two or more elements bonded together (8)COMPOUND
- 1 Down: The force that makes magnets attract or repel (9)MAGNETISM
- 2 Down: An educated guess about what will happen in an experiment (10)HYPOTHESIS
- 3 Down: A form of energy used to power lights and machines (11)ELECTRICITY
- 4 Down: A material that does not let electricity or heat pass through easily (9)INSULATOR
- 5 Down: Anything that takes up space and has weight (6)MATTER
🔬 Science Crossword #3
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Across
- 3. The wearing away of land by water, wind, or ice
- 4. The upward force that makes things float in water
- 5. A natural solid substance found in the earth
- 7. A glass container used in science experiments
Down
- 1. A substance made of two or more elements bonded together
- 2. Two or more atoms joined together
- 3. Facts that show something is true
- 6. A hard solid piece of the Earth made of minerals
Show answers
- 3 Across: The wearing away of land by water, wind, or ice (7)EROSION
- 4 Across: The upward force that makes things float in water (8)BUOYANCY
- 5 Across: A natural solid substance found in the earth (7)MINERAL
- 7 Across: A glass container used in science experiments (6)BEAKER
- 1 Down: A substance made of two or more elements bonded together (8)COMPOUND
- 2 Down: Two or more atoms joined together (8)MOLECULE
- 3 Down: Facts that show something is true (8)EVIDENCE
- 6 Down: A hard solid piece of the Earth made of minerals (4)ROCK
🔬 Science Crossword #4
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Across
- 1. A pattern of energy moving through space or matter
- 3. The amount of matter in an object
- 5. A curved piece of glass that bends light
- 7. Two or more atoms joined together
- 8. The amount of space something takes up
Down
- 2. The wearing away of land by water, wind, or ice
- 3. Anything that takes up space and has weight
- 4. To sort things into groups based on their features
- 6. A group of living things that are the same kind
Show answers
- 1 Across: A pattern of energy moving through space or matter (4)WAVE
- 3 Across: The amount of matter in an object (4)MASS
- 5 Across: A curved piece of glass that bends light (4)LENS
- 7 Across: Two or more atoms joined together (8)MOLECULE
- 8 Across: The amount of space something takes up (6)VOLUME
- 2 Down: The wearing away of land by water, wind, or ice (7)EROSION
- 3 Down: Anything that takes up space and has weight (6)MATTER
- 4 Down: To sort things into groups based on their features (8)CLASSIFY
- 6 Down: A group of living things that are the same kind (7)SPECIES
🔬 Science Crossword #5
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Across
- 2. The wearing away of land by water, wind, or ice
- 5. A pure substance made of only one type of atom
- 6. Two or more atoms joined together
- 7. The amount of matter in an object
- 8. A form of energy used to power lights and machines
Down
- 1. An educated guess about what will happen in an experiment
- 3. A material that does not let electricity or heat pass through easily
- 4. The tiny building block that makes up all living things
- 6. Two or more substances mixed together but not chemically joined
Show answers
- 2 Across: The wearing away of land by water, wind, or ice (7)EROSION
- 5 Across: A pure substance made of only one type of atom (7)ELEMENT
- 6 Across: Two or more atoms joined together (8)MOLECULE
- 7 Across: The amount of matter in an object (4)MASS
- 8 Across: A form of energy used to power lights and machines (11)ELECTRICITY
- 1 Down: An educated guess about what will happen in an experiment (10)HYPOTHESIS
- 3 Down: A material that does not let electricity or heat pass through easily (9)INSULATOR
- 4 Down: The tiny building block that makes up all living things (4)CELL
- 6 Down: Two or more substances mixed together but not chemically joined (7)MIXTURE
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.