Puzzle Detail
Classic Crosswords Classic Nature Medium — Set 21
🔬 Science Crossword #1
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Across
- 2. A form of energy that makes things warm
- 4. A state of matter that spreads to fill any space
- 5. A community of living things and their environment working together
- 7. A chemical change when substances interact
Down
- 1. A form of energy that allows us to see
- 3. When one substance soaks up or takes in another
- 6. The molecule inside cells that carries instructions for life
- 8. The smallest piece of matter that makes up everything
Show answers
- 2 Across: A form of energy that makes things warm (4)HEAT
- 4 Across: A state of matter that spreads to fill any space (3)GAS
- 5 Across: A community of living things and their environment working together (9)ECOSYSTEM
- 7 Across: A chemical change when substances interact (8)REACTION
- 1 Down: A form of energy that allows us to see (5)LIGHT
- 3 Down: When one substance soaks up or takes in another (10)ABSORPTION
- 6 Down: The molecule inside cells that carries instructions for life (3)DNA
- 8 Down: The smallest piece of matter that makes up everything (4)ATOM
🔬 Science Crossword #2
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Across
- 1. A quick back-and-forth movement
- 3. The passing of traits from parents to their children
- 6. A pattern of energy moving through space or matter
- 7. A chemical change when substances interact
- 9. A glass building for growing plants or the warming effect on Earth
Down
- 2. A substance that living things need for energy and growth
- 4. The bending of light as it passes from one material to another
- 5. A glass container used in science experiments
- 8. A state of matter that spreads to fill any space
Show answers
- 1 Across: A quick back-and-forth movement (9)VIBRATION
- 3 Across: The passing of traits from parents to their children (8)HEREDITY
- 6 Across: A pattern of energy moving through space or matter (4)WAVE
- 7 Across: A chemical change when substances interact (8)REACTION
- 9 Across: A glass building for growing plants or the warming effect on Earth (10)GREENHOUSE
- 2 Down: A substance that living things need for energy and growth (8)NUTRIENT
- 4 Down: The bending of light as it passes from one material to another (10)REFRACTION
- 5 Down: A glass container used in science experiments (6)BEAKER
- 8 Down: A state of matter that spreads to fill any space (3)GAS
🔬 Science Crossword #3
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Across
- 1. To write down information for later use
- 5. A curved piece of glass that bends light
- 7. An educated guess about what will happen in an experiment
- 9. Two or more substances mixed together but not chemically joined
- 10. A sudden shaking of the ground caused by movements deep inside Earth
Down
- 2. A material that electricity or heat can pass through easily
- 3. The power that makes things move or change
- 4. A mixture where one substance dissolves completely in another
- 6. A push or pull that can change how something moves
- 8. To say what you think will happen based on evidence
Show answers
- 1 Across: To write down information for later use (6)RECORD
- 5 Across: A curved piece of glass that bends light (4)LENS
- 7 Across: An educated guess about what will happen in an experiment (10)HYPOTHESIS
- 9 Across: Two or more substances mixed together but not chemically joined (7)MIXTURE
- 10 Across: A sudden shaking of the ground caused by movements deep inside Earth (10)EARTHQUAKE
- 2 Down: A material that electricity or heat can pass through easily (9)CONDUCTOR
- 3 Down: The power that makes things move or change (6)ENERGY
- 4 Down: A mixture where one substance dissolves completely in another (8)SOLUTION
- 6 Down: A push or pull that can change how something moves (5)FORCE
- 8 Down: To say what you think will happen based on evidence (7)PREDICT
🔬 Science Crossword #4
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Across
- 5. A change in a living thing that helps it survive
- 7. Related to the large plates that make up Earth's surface
- 8. A pure substance made of only one type of atom
Down
- 1. How tightly packed the matter is in something
- 2. A state of matter that holds its shape
- 3. A mixture where one substance dissolves completely in another
- 4. A tool that makes very tiny things look bigger
- 6. A unit of information that passes traits from parents to children
Show answers
- 5 Across: A change in a living thing that helps it survive (10)ADAPTATION
- 7 Across: Related to the large plates that make up Earth's surface (8)TECTONIC
- 8 Across: A pure substance made of only one type of atom (7)ELEMENT
- 1 Down: How tightly packed the matter is in something (7)DENSITY
- 2 Down: A state of matter that holds its shape (5)SOLID
- 3 Down: A mixture where one substance dissolves completely in another (8)SOLUTION
- 4 Down: A tool that makes very tiny things look bigger (10)MICROSCOPE
- 6 Down: A unit of information that passes traits from parents to children (4)GENE
🔬 Science Crossword #5
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Across
- 1. Related to the large plates that make up Earth's surface
- 3. The upward force that makes things float in water
- 6. Small pieces of rock and soil carried by water and wind
- 7. A tool for measuring temperature
- 8. A group of living things that are the same kind
Down
- 2. A gas in the air that living things need to breathe
- 4. The amount of matter in an object
- 5. When a solid mixes into a liquid and seems to disappear
Show answers
- 1 Across: Related to the large plates that make up Earth's surface (8)TECTONIC
- 3 Across: The upward force that makes things float in water (8)BUOYANCY
- 6 Across: Small pieces of rock and soil carried by water and wind (8)SEDIMENT
- 7 Across: A tool for measuring temperature (11)THERMOMETER
- 8 Across: A group of living things that are the same kind (7)SPECIES
- 2 Down: A gas in the air that living things need to breathe (6)OXYGEN
- 4 Down: The amount of matter in an object (4)MASS
- 5 Down: When a solid mixes into a liquid and seems to disappear (8)DISSOLVE
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.
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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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