Classic Crosswords Classic Nature Easy — Set 20
Puzzle Set
5 puzzles in this set
🔬 Science Crossword #1
13×13 grid
Across
- 1 Something in an experiment that can be changed or measured
- 3 When one substance soaks up or takes in another
- 4 A form of energy that makes things warm
- 6 A curved piece of glass that bends light
- 7 Small pieces of rock and soil carried by water and wind
- 8 The passing of traits from parents to their children
Down
- 1 A mountain with an opening that can erupt hot lava
- 2 Two or more atoms joined together
- 5 A pure substance made of only one type of atom
Answers
- 1 Across: Something in an experiment that can be changed or measured (8)VARIABLE
- 3 Across: When one substance soaks up or takes in another (10)ABSORPTION
- 4 Across: A form of energy that makes things warm (4)HEAT
- 6 Across: A curved piece of glass that bends light (4)LENS
- 7 Across: Small pieces of rock and soil carried by water and wind (8)SEDIMENT
- 8 Across: The passing of traits from parents to their children (8)HEREDITY
- 1 Down: A mountain with an opening that can erupt hot lava (7)VOLCANO
- 2 Down: Two or more atoms joined together (8)MOLECULE
- 5 Down: A pure substance made of only one type of atom (7)ELEMENT
🔬 Science Crossword #2
13×13 grid
Across
- 1 A material that electricity or heat can pass through easily
- 4 A form of energy that makes things warm
- 6 A state of matter that holds its shape
- 7 A natural solid substance found in the earth
- 8 The molecule inside cells that carries instructions for life
Down
- 2 Facts and information collected from experiments
- 3 Carefully watching and noting what happens
- 5 A gas in the air that living things need to breathe
Answers
- 1 Across: A material that electricity or heat can pass through easily (9)CONDUCTOR
- 4 Across: A form of energy that makes things warm (4)HEAT
- 6 Across: A state of matter that holds its shape (5)SOLID
- 7 Across: A natural solid substance found in the earth (7)MINERAL
- 8 Across: The molecule inside cells that carries instructions for life (3)DNA
- 2 Down: Facts and information collected from experiments (4)DATA
- 3 Down: Carefully watching and noting what happens (11)OBSERVATION
- 5 Down: A gas in the air that living things need to breathe (6)OXYGEN
🔬 Science Crossword #3
13×13 grid
Across
- 1 To sort things into groups based on their features
- 4 The tiny building block that makes up all living things
- 5 The remains of a plant or animal from long ago preserved in rock
- 6 How often something happens in a given time
- 8 The act of moving or changing position
- 9 The upward force that makes things float in water
- 10 A unit of information that passes traits from parents to children
Down
- 2 The rate at which something speeds up
- 3 Carefully watching and noting what happens
- 7 The power that makes things move or change
Answers
- 1 Across: To sort things into groups based on their features (8)CLASSIFY
- 4 Across: The tiny building block that makes up all living things (4)CELL
- 5 Across: The remains of a plant or animal from long ago preserved in rock (6)FOSSIL
- 6 Across: How often something happens in a given time (9)FREQUENCY
- 8 Across: The act of moving or changing position (6)MOTION
- 9 Across: The upward force that makes things float in water (8)BUOYANCY
- 10 Across: A unit of information that passes traits from parents to children (4)GENE
- 2 Down: The rate at which something speeds up (12)ACCELERATION
- 3 Down: Carefully watching and noting what happens (11)OBSERVATION
- 7 Down: The power that makes things move or change (6)ENERGY
🔬 Science Crossword #4
13×13 grid
Across
- 3 The breaking down of rocks by weather, water, and living things
- 4 The molecule inside cells that carries instructions for life
- 7 The speed of something in a given direction
- 8 The power that makes things move or change
Down
- 1 A curved piece of glass that bends light
- 2 A material that does not let electricity or heat pass through easily
- 5 When one substance soaks up or takes in another
- 6 A glass container used in science experiments
Answers
- 3 Across: The breaking down of rocks by weather, water, and living things (10)WEATHERING
- 4 Across: The molecule inside cells that carries instructions for life (3)DNA
- 7 Across: The speed of something in a given direction (8)VELOCITY
- 8 Across: The power that makes things move or change (6)ENERGY
- 1 Down: A curved piece of glass that bends light (4)LENS
- 2 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: A glass container used in science experiments (6)BEAKER
🔬 Science Crossword #5
13×13 grid
Across
- 6 When water changes from a liquid to a gas
- 7 A form of energy that allows us to see
- 8 Anything that takes up space and has weight
- 9 A natural solid substance found in the earth
Down
- 1 Facts that show something is true
- 2 A pattern of energy moving through space or matter
- 3 A sudden shaking of the ground caused by movements deep inside Earth
- 4 The molecule inside cells that carries instructions for life
- 5 A community of living things and their environment working together
Answers
- 6 Across: When water changes from a liquid to a gas (11)EVAPORATION
- 7 Across: A form of energy that allows us to see (5)LIGHT
- 8 Across: Anything that takes up space and has weight (6)MATTER
- 9 Across: A natural solid substance found in the earth (7)MINERAL
- 1 Down: Facts that show something is true (8)EVIDENCE
- 2 Down: A pattern of energy moving through space or matter (4)WAVE
- 3 Down: A sudden shaking of the ground caused by movements deep inside Earth (10)EARTHQUAKE
- 4 Down: The molecule inside cells that carries instructions for life (3)DNA
- 5 Down: A community of living things and their environment working together (9)ECOSYSTEM
Solver Notes
- 1. Something in an experiment that can be changed or measured
- 3. When one substance soaks up or takes in another
- 4. A form of energy that makes things warm
- 6. A curved piece of glass that bends light
- 7. Small pieces of rock and soil carried by water and wind
- 8. The passing of traits from parents to their children
- 1. A mountain with an opening that can erupt hot lava
- 2. Two or more atoms joined together
- 5. A pure substance made of only one type of atom
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.