Classic Crosswords Science Hard — Set 19
🔬 Science Crossword #1
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Across
- 2. The amount of space something takes up
- 7. A tool for measuring temperature
- 8. The central part of a cell that controls its activity
Down
- 1. The force that makes magnets attract or repel
- 3. A form of energy used to power lights and machines
- 4. A tiny particle of light energy
- 5. The band of colors formed when white light is split
- 6. A hard solid piece of the Earth made of minerals
Show answers
- 2 Across: The amount of space something takes up (6)VOLUME
- 7 Across: A tool for measuring temperature (11)THERMOMETER
- 8 Across: The central part of a cell that controls its activity (7)NUCLEUS
- 1 Down: The force that makes magnets attract or repel (9)MAGNETISM
- 3 Down: A form of energy used to power lights and machines (11)ELECTRICITY
- 4 Down: A tiny particle of light energy (6)PHOTON
- 5 Down: The band of colors formed when white light is split (8)SPECTRUM
- 6 Down: A hard solid piece of the Earth made of minerals (4)ROCK
🔬 Science Crossword #2
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Across
- 1. A curved piece of glass that bends light
- 6. The act of moving or changing position
- 7. A group of living things that are the same kind
- 8. A mixture where one substance dissolves completely in another
- 9. A push or pull that can change how something moves
Down
- 2. The central part of a cell that controls its activity
- 3. The steps followed to do an experiment
- 4. The part of an experiment that stays the same for comparison
- 5. A state of matter that spreads to fill any space
Show answers
- 1 Across: A curved piece of glass that bends light (4)LENS
- 6 Across: The act of moving or changing position (6)MOTION
- 7 Across: A group of living things that are the same kind (7)SPECIES
- 8 Across: A mixture where one substance dissolves completely in another (8)SOLUTION
- 9 Across: A push or pull that can change how something moves (5)FORCE
- 2 Down: The central part of a cell that controls its activity (7)NUCLEUS
- 3 Down: The steps followed to do an experiment (9)PROCEDURE
- 4 Down: The part of an experiment that stays the same for comparison (7)CONTROL
- 5 Down: A state of matter that spreads to fill any space (3)GAS
🔬 Science Crossword #3
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Across
- 1. A chemical change when substances interact
- 5. A thread-like structure in cells that carries genetic information
- 8. A substance that living things need for energy and growth
- 9. The wearing away of land by water, wind, or ice
Down
- 2. When one substance soaks up or takes in another
- 3. Any water that falls from clouds such as rain, snow, or hail
- 4. A unit of information that passes traits from parents to children
- 6. When a solid mixes into a liquid and seems to disappear
- 7. The molecule inside cells that carries instructions for life
Show answers
- 1 Across: A chemical change when substances interact (8)REACTION
- 5 Across: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 8 Across: A substance that living things need for energy and growth (8)NUTRIENT
- 9 Across: The wearing away of land by water, wind, or ice (7)EROSION
- 2 Down: When one substance soaks up or takes in another (10)ABSORPTION
- 3 Down: Any water that falls from clouds such as rain, snow, or hail (13)PRECIPITATION
- 4 Down: A unit of information that passes traits from parents to children (4)GENE
- 6 Down: When a solid mixes into a liquid and seems to disappear (8)DISSOLVE
- 7 Down: The molecule inside cells that carries instructions for life (3)DNA
🔬 Science Crossword #4
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Across
- 1. A glass container used in science experiments
- 4. The process of making new living things
- 5. To sort things into groups based on their features
- 7. A substance that living things need for energy and growth
- 8. A mountain with an opening that can erupt hot lava
Down
- 2. The slow process of living things changing over many years
- 3. A chemical change when substances interact
- 6. The tiny building block that makes up all living things
Show answers
- 1 Across: A glass container used in science experiments (6)BEAKER
- 4 Across: The process of making new living things (12)REPRODUCTION
- 5 Across: To sort things into groups based on their features (8)CLASSIFY
- 7 Across: A substance that living things need for energy and growth (8)NUTRIENT
- 8 Across: A mountain with an opening that can erupt hot lava (7)VOLCANO
- 2 Down: The slow process of living things changing over many years (9)EVOLUTION
- 3 Down: A chemical change when substances interact (8)REACTION
- 6 Down: The tiny building block that makes up all living things (4)CELL
🔬 Science Crossword #5
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Across
- 2. The tendency of an object to stay still or keep moving
- 5. Related to the large plates that make up Earth's surface
- 7. The process of making new living things
- 8. A path that electricity travels along
- 9. A pure substance made of only one type of atom
Down
- 1. A mountain with an opening that can erupt hot lava
- 3. To write down information for later use
- 4. A quick back-and-forth movement
- 6. A group of living things that are the same kind
Show answers
- 2 Across: The tendency of an object to stay still or keep moving (7)INERTIA
- 5 Across: Related to the large plates that make up Earth's surface (8)TECTONIC
- 7 Across: The process of making new living things (12)REPRODUCTION
- 8 Across: A path that electricity travels along (7)CIRCUIT
- 9 Across: A pure substance made of only one type of atom (7)ELEMENT
- 1 Down: A mountain with an opening that can erupt hot lava (7)VOLCANO
- 3 Down: To write down information for later use (6)RECORD
- 4 Down: A quick back-and-forth movement (9)VIBRATION
- 6 Down: A group of living things that are the same kind (7)SPECIES
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.