Classic Crosswords Science Hard — Set 29
🔬 Science Crossword #1
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Across
- 2. Small pieces of rock and soil carried by water and wind
- 4. Something in an experiment that can be changed or measured
- 5. A push or pull that can change how something moves
- 6. The amount of matter in an object
- 7. The power that makes things move or change
Down
- 1. When light bounces off a surface like a mirror
- 3. The upward force that makes things float in water
- 4. A mountain with an opening that can erupt hot lava
Show answers
- 2 Across: Small pieces of rock and soil carried by water and wind (8)SEDIMENT
- 4 Across: Something in an experiment that can be changed or measured (8)VARIABLE
- 5 Across: A push or pull that can change how something moves (5)FORCE
- 6 Across: The amount of matter in an object (4)MASS
- 7 Across: The power that makes things move or change (6)ENERGY
- 1 Down: When light bounces off a surface like a mirror (10)REFLECTION
- 3 Down: The upward force that makes things float in water (8)BUOYANCY
- 4 Down: A mountain with an opening that can erupt hot lava (7)VOLCANO
🔬 Science Crossword #2
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Across
- 3. The upward force that makes things float in water
- 6. A thread-like structure in cells that carries genetic information
- 7. A hard solid piece of the Earth made of minerals
- 8. Vibrations that travel through the air and are heard by ears
Down
- 1. The natural home of an animal or plant
- 2. The breaking down of rocks by weather, water, and living things
- 4. A glass building for growing plants or the warming effect on Earth
- 5. The part of an experiment that stays the same for comparison
Show answers
- 3 Across: The upward force that makes things float in water (8)BUOYANCY
- 6 Across: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 7 Across: A hard solid piece of the Earth made of minerals (4)ROCK
- 8 Across: Vibrations that travel through the air and are heard by ears (5)SOUND
- 1 Down: The natural home of an animal or plant (7)HABITAT
- 2 Down: The breaking down of rocks by weather, water, and living things (10)WEATHERING
- 4 Down: A glass building for growing plants or the warming effect on Earth (10)GREENHOUSE
- 5 Down: The part of an experiment that stays the same for comparison (7)CONTROL
🔬 Science Crossword #3
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Across
- 3. A glass building for growing plants or the warming effect on Earth
- 4. Any water that falls from clouds such as rain, snow, or hail
- 6. A material that electricity or heat can pass through easily
- 7. The force that slows things down when they rub together
- 8. Any living thing such as a plant or animal
Down
- 1. A chemical change when substances interact
- 2. Vibrations that travel through the air and are heard by ears
- 5. A substance made of two or more elements bonded together
Show answers
- 3 Across: A glass building for growing plants or the warming effect on Earth (10)GREENHOUSE
- 4 Across: Any water that falls from clouds such as rain, snow, or hail (13)PRECIPITATION
- 6 Across: A material that electricity or heat can pass through easily (9)CONDUCTOR
- 7 Across: The force that slows things down when they rub together (8)FRICTION
- 8 Across: Any living thing such as a plant or animal (8)ORGANISM
- 1 Down: A chemical change when substances interact (8)REACTION
- 2 Down: Vibrations that travel through the air and are heard by ears (5)SOUND
- 5 Down: A substance made of two or more elements bonded together (8)COMPOUND
🔬 Science Crossword #4
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Across
- 1. The remains of a plant or animal from long ago preserved in rock
- 3. All the chemical processes in your body that keep you alive
- 7. The steps followed to do an experiment
- 8. Facts that show something is true
Down
- 2. A state of matter that holds its shape
- 4. The force that makes magnets attract or repel
- 5. A hard solid piece of the Earth made of minerals
- 6. The invisible force that pulls things toward the Earth
Show answers
- 1 Across: The remains of a plant or animal from long ago preserved in rock (6)FOSSIL
- 3 Across: All the chemical processes in your body that keep you alive (10)METABOLISM
- 7 Across: The steps followed to do an experiment (9)PROCEDURE
- 8 Across: Facts that show something is true (8)EVIDENCE
- 2 Down: A state of matter that holds its shape (5)SOLID
- 4 Down: The force that makes magnets attract or repel (9)MAGNETISM
- 5 Down: A hard solid piece of the Earth made of minerals (4)ROCK
- 6 Down: The invisible force that pulls things toward the Earth (7)GRAVITY
🔬 Science Crossword #5
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Across
- 1. To find the size, amount, or degree of something
- 5. A tiny particle of light energy
- 6. A material that electricity or heat can pass through easily
- 7. Two or more substances mixed together but not chemically joined
- 8. A state of matter that holds its shape
- 9. The wearing away of land by water, wind, or ice
Down
- 2. The process of making new living things
- 3. When a gas cools and turns back into a liquid
- 4. The central part of a cell that controls its activity
Show answers
- 1 Across: To find the size, amount, or degree of something (7)MEASURE
- 5 Across: A tiny particle of light energy (6)PHOTON
- 6 Across: A material that electricity or heat can pass through easily (9)CONDUCTOR
- 7 Across: Two or more substances mixed together but not chemically joined (7)MIXTURE
- 8 Across: A state of matter that holds its shape (5)SOLID
- 9 Across: The wearing away of land by water, wind, or ice (7)EROSION
- 2 Down: The process of making new living things (12)REPRODUCTION
- 3 Down: When a gas cools and turns back into a liquid (12)CONDENSATION
- 4 Down: The central part of a cell that controls its activity (7)NUCLEUS
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.