Classic Crosswords Classic Nature Medium — Set 25
🔬 Science Crossword #1
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Across
- 1. The central part of a cell that controls its activity
- 4. The remains of a plant or animal from long ago preserved in rock
- 6. Related to the large plates that make up Earth's surface
- 8. A material that electricity or heat can pass through easily
Down
- 2. Small pieces of rock and soil carried by water and wind
- 3. A state of matter that holds its shape
- 5. A form of energy that makes things warm
- 7. A gas in the air that living things need to breathe
Show answers
- 1 Across: The central part of a cell that controls its activity (7)NUCLEUS
- 4 Across: The remains of a plant or animal from long ago preserved in rock (6)FOSSIL
- 6 Across: Related to the large plates that make up Earth's surface (8)TECTONIC
- 8 Across: A material that electricity or heat can pass through easily (9)CONDUCTOR
- 2 Down: Small pieces of rock and soil carried by water and wind (8)SEDIMENT
- 3 Down: A state of matter that holds its shape (5)SOLID
- 5 Down: A form of energy that makes things warm (4)HEAT
- 7 Down: A gas in the air that living things need to breathe (6)OXYGEN
🔬 Science Crossword #2
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Across
- 4. A pure substance made of only one type of atom
- 5. A curved piece of glass that bends light
- 7. A group of living things that are the same kind
- 9. A final decision reached after studying results
Down
- 1. The central part of a cell that controls its activity
- 2. Two or more substances mixed together but not chemically joined
- 3. The speed of something in a given direction
- 6. A sample of something used for study
- 8. A state of matter that spreads to fill any space
Show answers
- 4 Across: A pure substance made of only one type of atom (7)ELEMENT
- 5 Across: A curved piece of glass that bends light (4)LENS
- 7 Across: A group of living things that are the same kind (7)SPECIES
- 9 Across: A final decision reached after studying results (10)CONCLUSION
- 1 Down: The central part of a cell that controls its activity (7)NUCLEUS
- 2 Down: Two or more substances mixed together but not chemically joined (7)MIXTURE
- 3 Down: The speed of something in a given direction (8)VELOCITY
- 6 Down: A sample of something used for study (8)SPECIMEN
- 8 Down: A state of matter that spreads to fill any space (3)GAS
🔬 Science Crossword #3
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Across
- 6. The bending of light as it passes from one material to another
- 7. A state of matter that holds its shape
- 9. Any water that falls from clouds such as rain, snow, or hail
Down
- 1. A path that electricity travels along
- 2. Small pieces of rock and soil carried by water and wind
- 3. How hot or cold something is
- 4. A mountain with an opening that can erupt hot lava
- 5. When light bounces off a surface like a mirror
- 8. The molecule inside cells that carries instructions for life
Show answers
- 6 Across: The bending of light as it passes from one material to another (10)REFRACTION
- 7 Across: A state of matter that holds its shape (5)SOLID
- 9 Across: Any water that falls from clouds such as rain, snow, or hail (13)PRECIPITATION
- 1 Down: A path that electricity travels along (7)CIRCUIT
- 2 Down: Small pieces of rock and soil carried by water and wind (8)SEDIMENT
- 3 Down: How hot or cold something is (11)TEMPERATURE
- 4 Down: A mountain with an opening that can erupt hot lava (7)VOLCANO
- 5 Down: When light bounces off a surface like a mirror (10)REFLECTION
- 8 Down: The molecule inside cells that carries instructions for life (3)DNA
🔬 Science Crossword #4
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Across
- 1. The path water takes as it moves between Earth and sky
- 5. To say what you think will happen based on evidence
- 7. All the chemical processes in your body that keep you alive
- 8. The process of getting bigger or more developed
- 9. A state of matter that holds its shape
Down
- 2. When a gas cools and turns back into a liquid
- 3. A thread-like structure in cells that carries genetic information
- 4. Related to the large plates that make up Earth's surface
- 6. A state of matter that flows and takes the shape of its container
Show answers
- 1 Across: The path water takes as it moves between Earth and sky (11)WATER CYCLE
- 5 Across: To say what you think will happen based on evidence (7)PREDICT
- 7 Across: All the chemical processes in your body that keep you alive (10)METABOLISM
- 8 Across: The process of getting bigger or more developed (6)GROWTH
- 9 Across: A state of matter that holds its shape (5)SOLID
- 2 Down: When a gas cools and turns back into a liquid (12)CONDENSATION
- 3 Down: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 4 Down: Related to the large plates that make up Earth's surface (8)TECTONIC
- 6 Down: A state of matter that flows and takes the shape of its container (6)LIQUID
🔬 Science Crossword #5
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Across
- 1. The part of an experiment that stays the same for comparison
- 4. A tool that makes very tiny things look bigger
- 6. A state of matter that spreads to fill any space
- 7. A glass container used in science experiments
- 8. How tightly packed the matter is in something
Down
- 2. How hot or cold something is
- 3. Two or more substances mixed together but not chemically joined
- 5. Something in an experiment that can be changed or measured
Show answers
- 1 Across: The part of an experiment that stays the same for comparison (7)CONTROL
- 4 Across: A tool that makes very tiny things look bigger (10)MICROSCOPE
- 6 Across: A state of matter that spreads to fill any space (3)GAS
- 7 Across: A glass container used in science experiments (6)BEAKER
- 8 Across: How tightly packed the matter is in something (7)DENSITY
- 2 Down: How hot or cold something is (11)TEMPERATURE
- 3 Down: Two or more substances mixed together but not chemically joined (7)MIXTURE
- 5 Down: Something in an experiment that can be changed or measured (8)VARIABLE
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.