Classic Crosswords Classic Nature Hard — Set 19
Puzzle Set
5 puzzles in this set
🔬 Science Crossword #1
13×13 grid
Across
- 2 A form of energy that makes things warm
- 7 Two or more atoms joined together
- 8 To write down information for later use
Down
- 1 The process of making new living things
- 3 Facts that show something is true
- 4 A material that does not let electricity or heat pass through easily
- 5 When one substance soaks up or takes in another
- 6 How often something happens in a given time
Answers
- 2 Across: A form of energy that makes things warm (4)HEAT
- 7 Across: Two or more atoms joined together (8)MOLECULE
- 8 Across: To write down information for later use (6)RECORD
- 1 Down: The process of making new living things (12)REPRODUCTION
- 3 Down: Facts that show something is true (8)EVIDENCE
- 4 Down: A material that does not let electricity or heat pass through easily (9)INSULATOR
- 5 Down: When one substance soaks up or takes in another (10)ABSORPTION
- 6 Down: How often something happens in a given time (9)FREQUENCY
🔬 Science Crossword #2
13×13 grid
Across
- 3 The act of moving or changing position
- 5 A tool that makes very tiny things look bigger
- 6 The amount of matter in an object
- 7 A unit of information that passes traits from parents to children
- 9 All the chemical processes in your body that keep you alive
- 10 A glass building for growing plants or the warming effect on Earth
Down
- 1 A state of matter that flows and takes the shape of its container
- 2 A test done to discover something new
- 4 A gas in the air that living things need to breathe
- 8 Vibrations that travel through the air and are heard by ears
Answers
- 3 Across: The act of moving or changing position (6)MOTION
- 5 Across: A tool that makes very tiny things look bigger (10)MICROSCOPE
- 6 Across: The amount of matter in an object (4)MASS
- 7 Across: A unit of information that passes traits from parents to children (4)GENE
- 9 Across: All the chemical processes in your body that keep you alive (10)METABOLISM
- 10 Across: A glass building for growing plants or the warming effect on Earth (10)GREENHOUSE
- 1 Down: A state of matter that flows and takes the shape of its container (6)LIQUID
- 2 Down: A test done to discover something new (10)EXPERIMENT
- 4 Down: A gas in the air that living things need to breathe (6)OXYGEN
- 8 Down: Vibrations that travel through the air and are heard by ears (5)SOUND
🔬 Science Crossword #3
13×13 grid
Across
- 4 To find the size, amount, or degree of something
- 6 A tiny particle of light energy
- 7 Any water that falls from clouds such as rain, snow, or hail
- 8 A state of matter that spreads to fill any space
Down
- 1 The breaking down of rocks by weather, water, and living things
- 2 The tiny building block that makes up all living things
- 3 A chemical change when substances interact
- 5 A natural solid substance found in the earth
Answers
- 4 Across: To find the size, amount, or degree of something (7)MEASURE
- 6 Across: A tiny particle of light energy (6)PHOTON
- 7 Across: Any water that falls from clouds such as rain, snow, or hail (13)PRECIPITATION
- 8 Across: A state of matter that spreads to fill any space (3)GAS
- 1 Down: The breaking down of rocks by weather, water, and living things (10)WEATHERING
- 2 Down: The tiny building block that makes up all living things (4)CELL
- 3 Down: A chemical change when substances interact (8)REACTION
- 5 Down: A natural solid substance found in the earth (7)MINERAL
🔬 Science Crossword #4
13×13 grid
Across
- 3 A group of living things that are the same kind
- 4 A hard solid piece of the Earth made of minerals
- 7 A thread-like structure in cells that carries genetic information
- 8 The tendency of an object to stay still or keep moving
Down
- 1 A sample of something used for study
- 2 To write down information for later use
- 5 A community of living things and their environment working together
- 6 A state of matter that holds its shape
- 7 A path that electricity travels along
Answers
- 3 Across: A group of living things that are the same kind (7)SPECIES
- 4 Across: A hard solid piece of the Earth made of minerals (4)ROCK
- 7 Across: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 8 Across: The tendency of an object to stay still or keep moving (7)INERTIA
- 1 Down: A sample of something used for study (8)SPECIMEN
- 2 Down: To write down information for later use (6)RECORD
- 5 Down: A community of living things and their environment working together (9)ECOSYSTEM
- 6 Down: A state of matter that holds its shape (5)SOLID
- 7 Down: A path that electricity travels along (7)CIRCUIT
🔬 Science Crossword #5
13×13 grid
Across
- 1 The tiny building block that makes up all living things
- 5 An object that attracts iron and some other metals
- 6 A pattern of energy moving through space or matter
- 7 To sort things into groups based on their features
- 8 A natural solid substance found in the earth
Down
- 1 A path that electricity travels along
- 2 When a gas cools and turns back into a liquid
- 3 The amount of space something takes up
- 4 A form of energy that makes things warm
Answers
- 1 Across: The tiny building block that makes up all living things (4)CELL
- 5 Across: An object that attracts iron and some other metals (6)MAGNET
- 6 Across: A pattern of energy moving through space or matter (4)WAVE
- 7 Across: To sort things into groups based on their features (8)CLASSIFY
- 8 Across: A natural solid substance found in the earth (7)MINERAL
- 1 Down: A path that electricity travels along (7)CIRCUIT
- 2 Down: When a gas cools and turns back into a liquid (12)CONDENSATION
- 3 Down: The amount of space something takes up (6)VOLUME
- 4 Down: A form of energy that makes things warm (4)HEAT
Solver Notes
- 2. A form of energy that makes things warm
- 7. Two or more atoms joined together
- 8. To write down information for later use
- 1. The process of making new living things
- 3. Facts that show something is true
- 4. A material that does not let electricity or heat pass through easily
- 5. When one substance soaks up or takes in another
- 6. How often something happens in a given time
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.