Classic Crosswords Science Hard — Set 16
Puzzle Set
5 puzzles in this set
🔬 Science Crossword #1
13×13 grid
Across
- 1 A form of energy that makes things warm
- 3 Something in an experiment that can be changed or measured
- 6 Two or more substances mixed together but not chemically joined
- 7 Carefully watching and noting what happens
- 8 A gas in the air that living things need to breathe
Down
- 1 The natural home of an animal or plant
- 2 The breaking down of rocks by weather, water, and living things
- 4 A sample of something used for study
- 5 The process of getting bigger or more developed
Answers
- 1 Across: A form of energy that makes things warm (4)HEAT
- 3 Across: Something in an experiment that can be changed or measured (8)VARIABLE
- 6 Across: Two or more substances mixed together but not chemically joined (7)MIXTURE
- 7 Across: Carefully watching and noting what happens (11)OBSERVATION
- 8 Across: A gas in the air that living things need to breathe (6)OXYGEN
- 1 Down: The natural home of an animal or plant (7)HABITAT
- 2 Down: The breaking down of rocks by weather, water, and living things (10)WEATHERING
- 4 Down: A sample of something used for study (8)SPECIMEN
- 5 Down: The process of getting bigger or more developed (6)GROWTH
🔬 Science Crossword #2
13×13 grid
Across
- 2 The invisible force that pulls things toward the Earth
- 6 A mixture where one substance dissolves completely in another
- 7 A mountain with an opening that can erupt hot lava
- 8 The path water takes as it moves between Earth and sky
Down
- 1 The natural home of an animal or plant
- 3 A thread-like structure in cells that carries genetic information
- 4 Two or more atoms joined together
- 5 The molecule inside cells that carries instructions for life
Answers
- 2 Across: The invisible force that pulls things toward the Earth (7)GRAVITY
- 6 Across: A mixture where one substance dissolves completely in another (8)SOLUTION
- 7 Across: A mountain with an opening that can erupt hot lava (7)VOLCANO
- 8 Across: The path water takes as it moves between Earth and sky (11)WATER CYCLE
- 1 Down: The natural home of an animal or plant (7)HABITAT
- 3 Down: A thread-like structure in cells that carries genetic information (10)CHROMOSOME
- 4 Down: Two or more atoms joined together (8)MOLECULE
- 5 Down: The molecule inside cells that carries instructions for life (3)DNA
🔬 Science Crossword #3
13×13 grid
Across
- 2 To find the size, amount, or degree of something
- 3 A push or pull that can change how something moves
- 6 A final decision reached after studying results
- 7 A state of matter that flows and takes the shape of its container
- 8 A sudden shaking of the ground caused by movements deep inside Earth
- 9 The bending of light as it passes from one material to another
Down
- 1 The passing of traits from parents to their children
- 4 A material that electricity or heat can pass through easily
- 5 A curved piece of glass that bends light
Answers
- 2 Across: To find the size, amount, or degree of something (7)MEASURE
- 3 Across: A push or pull that can change how something moves (5)FORCE
- 6 Across: A final decision reached after studying results (10)CONCLUSION
- 7 Across: A state of matter that flows and takes the shape of its container (6)LIQUID
- 8 Across: A sudden shaking of the ground caused by movements deep inside Earth (10)EARTHQUAKE
- 9 Across: The bending of light as it passes from one material to another (10)REFRACTION
- 1 Down: The passing of traits from parents to their children (8)HEREDITY
- 4 Down: A material that electricity or heat can pass through easily (9)CONDUCTOR
- 5 Down: A curved piece of glass that bends light (4)LENS
🔬 Science Crossword #4
13×13 grid
Across
- 2 Facts that show something is true
- 3 A state of matter that spreads to fill any space
- 7 A path that electricity travels along
- 8 The amount of matter in an object
- 9 A pattern of energy moving through space or matter
Down
- 1 A tool that makes far-away things look closer
- 4 Vibrations that travel through the air and are heard by ears
- 5 To sort things into groups based on their features
- 6 The smallest piece of matter that makes up everything
Answers
- 2 Across: Facts that show something is true (8)EVIDENCE
- 3 Across: A state of matter that spreads to fill any space (3)GAS
- 7 Across: A path that electricity travels along (7)CIRCUIT
- 8 Across: The amount of matter in an object (4)MASS
- 9 Across: A pattern of energy moving through space or matter (4)WAVE
- 1 Down: A tool that makes far-away things look closer (9)TELESCOPE
- 4 Down: Vibrations that travel through the air and are heard by ears (5)SOUND
- 5 Down: To sort things into groups based on their features (8)CLASSIFY
- 6 Down: The smallest piece of matter that makes up everything (4)ATOM
🔬 Science Crossword #5
13×13 grid
Across
- 2 When a gas cools and turns back into a liquid
- 4 A material that electricity or heat can pass through easily
- 6 The breaking down of rocks by weather, water, and living things
- 9 When light bounces off a surface like a mirror
Down
- 1 The power that makes things move or change
- 3 How tightly packed the matter is in something
- 5 The tendency of an object to stay still or keep moving
- 7 A form of energy that makes things warm
- 8 A state of matter that holds its shape
Answers
- 2 Across: When a gas cools and turns back into a liquid (12)CONDENSATION
- 4 Across: A material that electricity or heat can pass through easily (9)CONDUCTOR
- 6 Across: The breaking down of rocks by weather, water, and living things (10)WEATHERING
- 9 Across: When light bounces off a surface like a mirror (10)REFLECTION
- 1 Down: The power that makes things move or change (6)ENERGY
- 3 Down: How tightly packed the matter is in something (7)DENSITY
- 5 Down: The tendency of an object to stay still or keep moving (7)INERTIA
- 7 Down: A form of energy that makes things warm (4)HEAT
- 8 Down: A state of matter that holds its shape (5)SOLID
Solver Notes
- 1. A form of energy that makes things warm
- 3. Something in an experiment that can be changed or measured
- 6. Two or more substances mixed together but not chemically joined
- 7. Carefully watching and noting what happens
- 8. A gas in the air that living things need to breathe
- 1. The natural home of an animal or plant
- 2. The breaking down of rocks by weather, water, and living things
- 4. A sample of something used for study
- 5. The process of getting bigger or more developed
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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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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