Classic Crosswords Science Medium — Set 17
🔬 Science Crossword #1
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Across
- 1. A natural solid substance found in the earth
- 3. To sort things into groups based on their features
- 7. A community of living things and their environment working together
- 8. Related to the large plates that make up Earth's surface
- 10. A material that does not let electricity or heat pass through easily
Down
- 2. A hard solid piece of the Earth made of minerals
- 4. To study something carefully to understand it
- 5. A unit of information that passes traits from parents to children
- 6. The speed of something in a given direction
- 9. The molecule inside cells that carries instructions for life
Show answers
- 1 Across: A natural solid substance found in the earth (7)MINERAL
- 3 Across: To sort things into groups based on their features (8)CLASSIFY
- 7 Across: A community of living things and their environment working together (9)ECOSYSTEM
- 8 Across: Related to the large plates that make up Earth's surface (8)TECTONIC
- 10 Across: A material that does not let electricity or heat pass through easily (9)INSULATOR
- 2 Down: A hard solid piece of the Earth made of minerals (4)ROCK
- 4 Down: To study something carefully to understand it (7)ANALYZE
- 5 Down: A unit of information that passes traits from parents to children (4)GENE
- 6 Down: The speed of something in a given direction (8)VELOCITY
- 9 Down: The molecule inside cells that carries instructions for life (3)DNA
🔬 Science Crossword #2
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Across
- 1. Small pieces of rock and soil carried by water and wind
- 4. When one substance soaks up or takes in another
- 5. Two or more substances mixed together but not chemically joined
- 8. When light bounces off a surface like a mirror
Down
- 2. The wearing away of land by water, wind, or ice
- 3. A sudden shaking of the ground caused by movements deep inside Earth
- 6. A form of energy that allows us to see
- 7. The tiny building block that makes up all living things
Show answers
- 1 Across: Small pieces of rock and soil carried by water and wind (8)SEDIMENT
- 4 Across: When one substance soaks up or takes in another (10)ABSORPTION
- 5 Across: Two or more substances mixed together but not chemically joined (7)MIXTURE
- 8 Across: When light bounces off a surface like a mirror (10)REFLECTION
- 2 Down: The wearing away of land by water, wind, or ice (7)EROSION
- 3 Down: A sudden shaking of the ground caused by movements deep inside Earth (10)EARTHQUAKE
- 6 Down: A form of energy that allows us to see (5)LIGHT
- 7 Down: The tiny building block that makes up all living things (4)CELL
🔬 Science Crossword #3
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Across
- 1. A tool that makes far-away things look closer
- 5. The band of colors formed when white light is split
- 6. Any living thing such as a plant or animal
- 7. A pattern of energy moving through space or matter
- 9. Related to the large plates that make up Earth's surface
Down
- 2. A pure substance made of only one type of atom
- 3. When a solid mixes into a liquid and seems to disappear
- 4. A community of living things and their environment working together
- 8. The molecule inside cells that carries instructions for life
Show answers
- 1 Across: A tool that makes far-away things look closer (9)TELESCOPE
- 5 Across: The band of colors formed when white light is split (8)SPECTRUM
- 6 Across: Any living thing such as a plant or animal (8)ORGANISM
- 7 Across: A pattern of energy moving through space or matter (4)WAVE
- 9 Across: Related to the large plates that make up Earth's surface (8)TECTONIC
- 2 Down: A pure substance made of only one type of atom (7)ELEMENT
- 3 Down: When a solid mixes into a liquid and seems to disappear (8)DISSOLVE
- 4 Down: A community of living things and their environment working together (9)ECOSYSTEM
- 8 Down: The molecule inside cells that carries instructions for life (3)DNA
🔬 Science Crossword #4
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Across
- 1. The part of an experiment that stays the same for comparison
- 5. A glass container used in science experiments
- 6. The natural home of an animal or plant
- 8. The amount of space something takes up
Down
- 2. Carefully watching and noting what happens
- 3. A sudden shaking of the ground caused by movements deep inside Earth
- 4. The invisible force that pulls things toward the Earth
- 7. The smallest piece of matter that makes up everything
Show answers
- 1 Across: The part of an experiment that stays the same for comparison (7)CONTROL
- 5 Across: A glass container used in science experiments (6)BEAKER
- 6 Across: The natural home of an animal or plant (7)HABITAT
- 8 Across: The amount of space something takes up (6)VOLUME
- 2 Down: Carefully watching and noting what happens (11)OBSERVATION
- 3 Down: A sudden shaking of the ground caused by movements deep inside Earth (10)EARTHQUAKE
- 4 Down: The invisible force that pulls things toward the Earth (7)GRAVITY
- 7 Down: The smallest piece of matter that makes up everything (4)ATOM
🔬 Science Crossword #5
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Across
- 3. To sort things into groups based on their features
- 5. The band of colors formed when white light is split
- 7. A substance made of two or more elements bonded together
- 8. Something in an experiment that can be changed or measured
- 9. How tightly packed the matter is in something
Down
- 1. The path water takes as it moves between Earth and sky
- 2. A thread-like structure in cells that carries genetic information
- 4. A state of matter that flows and takes the shape of its container
- 6. A substance that living things need for energy and growth
Show answers
- 3 Across: To sort things into groups based on their features (8)CLASSIFY
- 5 Across: The band of colors formed when white light is split (8)SPECTRUM
- 7 Across: A substance made of two or more elements bonded together (8)COMPOUND
- 8 Across: Something in an experiment that can be changed or measured (8)VARIABLE
- 9 Across: How tightly packed the matter is in something (7)DENSITY
- 1 Down: The path water takes as it moves between Earth and sky (11)WATER CYCLE
- 2 Down: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 4 Down: A state of matter that flows and takes the shape of its container (6)LIQUID
- 6 Down: A substance that living things need for energy and growth (8)NUTRIENT
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.