Classic Crosswords Classic Science Hard — Set 25
Puzzle Set
5 puzzles in this set
🔬 Science Crossword #1
13×13 grid
Across
- 4 A state of matter that holds its shape
- 5 Facts that show something is true
- 7 The slow process of living things changing over many years
- 8 A material that does not let electricity or heat pass through easily
Down
- 1 To find the size, amount, or degree of something
- 2 When a solid mixes into a liquid and seems to disappear
- 3 The amount of space something takes up
- 6 The part of an experiment that stays the same for comparison
Answers
- 4 Across: A state of matter that holds its shape (5)SOLID
- 5 Across: Facts that show something is true (8)EVIDENCE
- 7 Across: The slow process of living things changing over many years (9)EVOLUTION
- 8 Across: A material that does not let electricity or heat pass through easily (9)INSULATOR
- 1 Down: To find the size, amount, or degree of something (7)MEASURE
- 2 Down: When a solid mixes into a liquid and seems to disappear (8)DISSOLVE
- 3 Down: The amount of space something takes up (6)VOLUME
- 6 Down: The part of an experiment that stays the same for comparison (7)CONTROL
🔬 Science Crossword #2
13×13 grid
Across
- 1 To sort things into groups based on their features
- 3 A curved piece of glass that bends light
- 4 Related to the large plates that make up Earth's surface
- 5 Anything that takes up space and has weight
- 6 The breaking down of rocks by weather, water, and living things
- 7 The power that makes things move or change
Down
- 2 A sample of something used for study
- 5 Two or more substances mixed together but not chemically joined
Answers
- 1 Across: To sort things into groups based on their features (8)CLASSIFY
- 3 Across: A curved piece of glass that bends light (4)LENS
- 4 Across: Related to the large plates that make up Earth's surface (8)TECTONIC
- 5 Across: Anything that takes up space and has weight (6)MATTER
- 6 Across: The breaking down of rocks by weather, water, and living things (10)WEATHERING
- 7 Across: The power that makes things move or change (6)ENERGY
- 2 Down: A sample of something used for study (8)SPECIMEN
- 5 Down: Two or more substances mixed together but not chemically joined (7)MIXTURE
🔬 Science Crossword #3
13×13 grid
Across
- 4 A community of living things and their environment working together
- 5 A sample of something used for study
- 6 A unit of information that passes traits from parents to children
Down
- 1 A pattern of energy moving through space or matter
- 2 The breaking down of rocks by weather, water, and living things
- 3 Two or more atoms joined together
- 5 Vibrations that travel through the air and are heard by ears
- 6 A state of matter that spreads to fill any space
Answers
- 4 Across: A community of living things and their environment working together (9)ECOSYSTEM
- 5 Across: A sample of something used for study (8)SPECIMEN
- 6 Across: A unit of information that passes traits from parents to children (4)GENE
- 1 Down: A pattern of energy moving through space or matter (4)WAVE
- 2 Down: The breaking down of rocks by weather, water, and living things (10)WEATHERING
- 3 Down: Two or more atoms joined together (8)MOLECULE
- 5 Down: Vibrations that travel through the air and are heard by ears (5)SOUND
- 6 Down: A state of matter that spreads to fill any space (3)GAS
🔬 Science Crossword #4
13×13 grid
Across
- 2 The power that makes things move or change
- 3 A form of energy that makes things warm
- 4 The tiny building block that makes up all living things
- 6 The wearing away of land by water, wind, or ice
- 7 Something in an experiment that can be changed or measured
- 8 A form of energy that allows us to see
Down
- 1 The breaking down of rocks by weather, water, and living things
- 5 A curved piece of glass that bends light
Answers
- 2 Across: The power that makes things move or change (6)ENERGY
- 3 Across: A form of energy that makes things warm (4)HEAT
- 4 Across: The tiny building block that makes up all living things (4)CELL
- 6 Across: The wearing away of land by water, wind, or ice (7)EROSION
- 7 Across: Something in an experiment that can be changed or measured (8)VARIABLE
- 8 Across: A form of energy that allows us to see (5)LIGHT
- 1 Down: The breaking down of rocks by weather, water, and living things (10)WEATHERING
- 5 Down: A curved piece of glass that bends light (4)LENS
🔬 Science Crossword #5
13×13 grid
Across
- 2 A pure substance made of only one type of atom
- 4 A community of living things and their environment working together
- 6 How hot or cold something is
- 7 A form of energy that allows us to see
- 8 The steps followed to do an experiment
Down
- 1 Vibrations that travel through the air and are heard by ears
- 3 Two or more atoms joined together
- 4 The power that makes things move or change
- 5 A glass container used in science experiments
Answers
- 2 Across: A pure substance made of only one type of atom (7)ELEMENT
- 4 Across: A community of living things and their environment working together (9)ECOSYSTEM
- 6 Across: How hot or cold something is (11)TEMPERATURE
- 7 Across: A form of energy that allows us to see (5)LIGHT
- 8 Across: The steps followed to do an experiment (9)PROCEDURE
- 1 Down: Vibrations that travel through the air and are heard by ears (5)SOUND
- 3 Down: Two or more atoms joined together (8)MOLECULE
- 4 Down: The power that makes things move or change (6)ENERGY
- 5 Down: A glass container used in science experiments (6)BEAKER
Solver Notes
- 4. A state of matter that holds its shape
- 5. Facts that show something is true
- 7. The slow process of living things changing over many years
- 8. A material that does not let electricity or heat pass through easily
- 1. To find the size, amount, or degree of something
- 2. When a solid mixes into a liquid and seems to disappear
- 3. The amount of space something takes up
- 6. The part of an experiment that stays the same for comparison
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.
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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.
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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.
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What is the difference between classic and quick crosswords?
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