Classic Crosswords Science Medium — Set 30
Puzzle Set
5 puzzles in this set
🔬 Science Crossword #1
13×13 grid
Across
- 4 The central part of a cell that controls its activity
- 7 A thread-like structure in cells that carries genetic information
- 8 The molecule inside cells that carries instructions for life
Down
- 1 A tool that makes far-away things look closer
- 2 How often something happens in a given time
- 3 A state of matter that spreads to fill any space
- 5 A mountain with an opening that can erupt hot lava
- 6 A hard solid piece of the Earth made of minerals
Answers
- 4 Across: The central part of a cell that controls its activity (7)NUCLEUS
- 7 Across: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 8 Across: The molecule inside cells that carries instructions for life (3)DNA
- 1 Down: A tool that makes far-away things look closer (9)TELESCOPE
- 2 Down: How often something happens in a given time (9)FREQUENCY
- 3 Down: A state of matter that spreads to fill any space (3)GAS
- 5 Down: A mountain with an opening that can erupt hot lava (7)VOLCANO
- 6 Down: A hard solid piece of the Earth made of minerals (4)ROCK
🔬 Science Crossword #2
13×13 grid
Across
- 6 A tool that makes very tiny things look bigger
- 7 A state of matter that holds its shape
- 8 How often something happens in a given time
Down
- 1 A mountain with an opening that can erupt hot lava
- 2 A glass building for growing plants or the warming effect on Earth
- 3 A state of matter that spreads to fill any space
- 4 To sort things into groups based on their features
- 5 A final decision reached after studying results
- 7 Vibrations that travel through the air and are heard by ears
Answers
- 6 Across: A tool that makes very tiny things look bigger (10)MICROSCOPE
- 7 Across: A state of matter that holds its shape (5)SOLID
- 8 Across: How often something happens in a given time (9)FREQUENCY
- 1 Down: A mountain with an opening that can erupt hot lava (7)VOLCANO
- 2 Down: A glass building for growing plants or the warming effect on Earth (10)GREENHOUSE
- 3 Down: A state of matter that spreads to fill any space (3)GAS
- 4 Down: To sort things into groups based on their features (8)CLASSIFY
- 5 Down: A final decision reached after studying results (10)CONCLUSION
- 7 Down: Vibrations that travel through the air and are heard by ears (5)SOUND
🔬 Science Crossword #3
13×13 grid
Across
- 1 A gas in the air that living things need to breathe
- 5 A final decision reached after studying results
- 7 Any water that falls from clouds such as rain, snow, or hail
- 9 A state of matter that flows and takes the shape of its container
- 10 A sudden shaking of the ground caused by movements deep inside Earth
Down
- 2 A substance that living things need for energy and growth
- 3 The tiny building block that makes up all living things
- 4 The remains of a plant or animal from long ago preserved in rock
- 6 Two or more substances mixed together but not chemically joined
- 8 Facts and information collected from experiments
Answers
- 1 Across: A gas in the air that living things need to breathe (6)OXYGEN
- 5 Across: A final decision reached after studying results (10)CONCLUSION
- 7 Across: Any water that falls from clouds such as rain, snow, or hail (13)PRECIPITATION
- 9 Across: A state of matter that flows and takes the shape of its container (6)LIQUID
- 10 Across: A sudden shaking of the ground caused by movements deep inside Earth (10)EARTHQUAKE
- 2 Down: A substance that living things need for energy and growth (8)NUTRIENT
- 3 Down: The tiny building block that makes up all living things (4)CELL
- 4 Down: The remains of a plant or animal from long ago preserved in rock (6)FOSSIL
- 6 Down: Two or more substances mixed together but not chemically joined (7)MIXTURE
- 8 Down: Facts and information collected from experiments (4)DATA
🔬 Science Crossword #4
13×13 grid
Across
- 1 A glass building for growing plants or the warming effect on Earth
- 4 A path that electricity travels along
- 6 A thread-like structure in cells that carries genetic information
- 8 A final decision reached after studying results
Down
- 2 To write down information for later use
- 3 A hard solid piece of the Earth made of minerals
- 5 A chemical change when substances interact
- 7 Vibrations that travel through the air and are heard by ears
Answers
- 1 Across: A glass building for growing plants or the warming effect on Earth (10)GREENHOUSE
- 4 Across: A path that electricity travels along (7)CIRCUIT
- 6 Across: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 8 Across: A final decision reached after studying results (10)CONCLUSION
- 2 Down: To write down information for later use (6)RECORD
- 3 Down: A hard solid piece of the Earth made of minerals (4)ROCK
- 5 Down: A chemical change when substances interact (8)REACTION
- 7 Down: Vibrations that travel through the air and are heard by ears (5)SOUND
🔬 Science Crossword #5
13×13 grid
Across
- 6 Any water that falls from clouds such as rain, snow, or hail
- 7 To say what you think will happen based on evidence
- 8 The rate at which something speeds up
Down
- 1 A path that electricity travels along
- 2 The natural home of an animal or plant
- 3 The remains of a plant or animal from long ago preserved in rock
- 4 When a solid mixes into a liquid and seems to disappear
- 5 How often something happens in a given time
Answers
- 6 Across: Any water that falls from clouds such as rain, snow, or hail (13)PRECIPITATION
- 7 Across: To say what you think will happen based on evidence (7)PREDICT
- 8 Across: The rate at which something speeds up (12)ACCELERATION
- 1 Down: A path that electricity travels along (7)CIRCUIT
- 2 Down: The natural home of an animal or plant (7)HABITAT
- 3 Down: The remains of a plant or animal from long ago preserved in rock (6)FOSSIL
- 4 Down: When a solid mixes into a liquid and seems to disappear (8)DISSOLVE
- 5 Down: How often something happens in a given time (9)FREQUENCY
Solver Notes
- 4. The central part of a cell that controls its activity
- 7. A thread-like structure in cells that carries genetic information
- 8. The molecule inside cells that carries instructions for life
- 1. A tool that makes far-away things look closer
- 2. How often something happens in a given time
- 3. A state of matter that spreads to fill any space
- 5. A mountain with an opening that can erupt hot lava
- 6. A hard solid piece of the Earth made of minerals
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.