Classic Crosswords Classic Science Medium — Set 30
🔬 Science Crossword #1
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Across
- 1. A mountain with an opening that can erupt hot lava
- 4. A mixture where one substance dissolves completely in another
- 6. A community of living things and their environment working together
- 8. A state of matter that flows and takes the shape of its container
Down
- 2. A thread-like structure in cells that carries genetic information
- 3. The tiny building block that makes up all living things
- 5. A unit of information that passes traits from parents to children
- 7. A state of matter that holds its shape
Show answers
- 1 Across: A mountain with an opening that can erupt hot lava (7)VOLCANO
- 4 Across: A mixture where one substance dissolves completely in another (8)SOLUTION
- 6 Across: A community of living things and their environment working together (9)ECOSYSTEM
- 8 Across: A state of matter that flows and takes the shape of its container (6)LIQUID
- 2 Down: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 3 Down: The tiny building block that makes up all living things (4)CELL
- 5 Down: A unit of information that passes traits from parents to children (4)GENE
- 7 Down: A state of matter that holds its shape (5)SOLID
🔬 Science Crossword #2
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Across
- 1. A glass building for growing plants or the warming effect on Earth
- 3. The invisible force that pulls things toward the Earth
- 5. A glass container used in science experiments
- 6. Something in an experiment that can be changed or measured
- 7. How often something happens in a given time
- 8. A sudden shaking of the ground caused by movements deep inside Earth
Down
- 2. A form of energy used to power lights and machines
- 4. Small pieces of rock and soil carried by water and wind
Show answers
- 1 Across: A glass building for growing plants or the warming effect on Earth (10)GREENHOUSE
- 3 Across: The invisible force that pulls things toward the Earth (7)GRAVITY
- 5 Across: A glass container used in science experiments (6)BEAKER
- 6 Across: Something in an experiment that can be changed or measured (8)VARIABLE
- 7 Across: How often something happens in a given time (9)FREQUENCY
- 8 Across: A sudden shaking of the ground caused by movements deep inside Earth (10)EARTHQUAKE
- 2 Down: A form of energy used to power lights and machines (11)ELECTRICITY
- 4 Down: Small pieces of rock and soil carried by water and wind (8)SEDIMENT
🔬 Science Crossword #3
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Across
- 2. How often something happens in a given time
- 3. A hard solid piece of the Earth made of minerals
- 6. Carefully watching and noting what happens
- 7. A unit of information that passes traits from parents to children
Down
- 1. The bending of light as it passes from one material to another
- 4. A thread-like structure in cells that carries genetic information
- 5. A sample of something used for study
- 6. A gas in the air that living things need to breathe
Show answers
- 2 Across: How often something happens in a given time (9)FREQUENCY
- 3 Across: A hard solid piece of the Earth made of minerals (4)ROCK
- 6 Across: Carefully watching and noting what happens (11)OBSERVATION
- 7 Across: A unit of information that passes traits from parents to children (4)GENE
- 1 Down: The bending of light as it passes from one material to another (10)REFRACTION
- 4 Down: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 5 Down: A sample of something used for study (8)SPECIMEN
- 6 Down: A gas in the air that living things need to breathe (6)OXYGEN
🔬 Science Crossword #4
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Across
- 1. The passing of traits from parents to their children
- 2. A unit of information that passes traits from parents to children
- 4. A sudden shaking of the ground caused by movements deep inside Earth
- 6. A natural solid substance found in the earth
- 7. A state of matter that spreads to fill any space
Down
- 1. A form of energy that makes things warm
- 3. An object that attracts iron and some other metals
- 4. The power that makes things move or change
- 5. Facts and information collected from experiments
Show answers
- 1 Across: The passing of traits from parents to their children (8)HEREDITY
- 2 Across: A unit of information that passes traits from parents to children (4)GENE
- 4 Across: A sudden shaking of the ground caused by movements deep inside Earth (10)EARTHQUAKE
- 6 Across: A natural solid substance found in the earth (7)MINERAL
- 7 Across: A state of matter that spreads to fill any space (3)GAS
- 1 Down: A form of energy that makes things warm (4)HEAT
- 3 Down: An object that attracts iron and some other metals (6)MAGNET
- 4 Down: The power that makes things move or change (6)ENERGY
- 5 Down: Facts and information collected from experiments (4)DATA
🔬 Science Crossword #5
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Across
- 1. A pure substance made of only one type of atom
- 3. A glass container used in science experiments
- 4. A hard solid piece of the Earth made of minerals
- 7. To sort things into groups based on their features
- 8. A mountain with an opening that can erupt hot lava
Down
- 2. When water changes from a liquid to a gas
- 5. A quick back-and-forth movement
- 6. A natural solid substance found in the earth
Show answers
- 1 Across: A pure substance made of only one type of atom (7)ELEMENT
- 3 Across: A glass container used in science experiments (6)BEAKER
- 4 Across: A hard solid piece of the Earth made of minerals (4)ROCK
- 7 Across: To sort things into groups based on their features (8)CLASSIFY
- 8 Across: A mountain with an opening that can erupt hot lava (7)VOLCANO
- 2 Down: When water changes from a liquid to a gas (11)EVAPORATION
- 5 Down: A quick back-and-forth movement (9)VIBRATION
- 6 Down: A natural solid substance found in the earth (7)MINERAL
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.