Printable Science Crosswords

Explore the fundamental principles and latest discoveries across physics, chemistry, biology, and astronomy. This topic covers scientific methods and breakthroughs.

10 puzzles, click Print on any puzzle below

Science and Technology

Medium · 11×11 · 11 words
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  1. 2. Describing reality simulated by digital software
  2. 4. The curved path of a satellite around a planet
  3. 8. Method of scrambling data to keep it secure
  4. 9. Smallest controllable element of a digital image
  5. 10. Number system consisting only of zeros and ones
  6. 11. Biological cell that inspired artificial intelligence networks

Down

  1. 1. Machine for producing power by rotating a wheel
  2. 3. Atom with the same number of protons but different neutrons
  3. 5. Physical components of a computer system
  4. 6. Element that forms the backbone of modern computing chips
  5. 7. Device used to transmit or receive radio waves

Astronomy

Easy · 7×7 · 7 words
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  1. 1. What travels from stars to reach our eyes
  2. 5. A large round object that circles a star
  3. 7. The natural satellite that orbits the Earth

Down

  1. 2. A massive system of stars and gas clouds
  2. 3. A tool used to see distant objects in space
  3. 4. The vast area beyond Earths atmosphere
  4. 6. The star at the center of our solar system

Astronomy

Easy · 7×7 · 6 words
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  1. 1. The star at the center of our solar system
  2. 4. A vehicle used to travel into outer space
  3. 5. The fourth planet from the sun known as the red planet

Down

  1. 1. The vast area beyond the atmosphere of the earth
  2. 2. The world on which we live
  3. 3. The planet famous for its bright rings

Chemistry

Easy · 7×7 · 8 words
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  1. 3. Smallest unit of a chemical element
  2. 5. Pure substance consisting of only one type of atom
  3. 7. State of matter with no fixed shape or volume
  4. 8. Compound formed by the reaction of an acid and a base

Down

  1. 1. Substance with a pH greater than seven
  2. 2. Scientific unit used to measure the amount of a substance
  3. 4. Link between atoms in a molecule
  4. 6. Amount of matter in an object

Biology

Easy · 7×7 · 8 words
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  1. 3. Muscular organ that pumps blood through the body
  2. 5. Breathing organ situated within the rib cage
  3. 7. Molecule that carries genetic information
  4. 8. Green, flattened structure attached to a stem

Down

  1. 1. Tube forming part of the blood circulation system
  2. 2. Main upward stalk of a plant
  3. 4. Organism such as trees, shrubs, and herbs
  4. 6. Heredity unit transferred from a parent to offspring

Astronomy

Easy · 7×7 · 8 words
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  1. 1. The central star of our solar system
  2. 4. The regular path one object takes around another in space
  3. 5. The planet inhabited by humans
  4. 7. The natural satellite that orbits the Earth

Down

  1. 1. The region above us where clouds and stars are seen
  2. 2. A star that suddenly increases in brightness
  3. 3. The visible energy that travels from the stars
  4. 6. A flat and circular band of debris around a planet

Physics

Medium · 11×11 · 11 words
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  1. 1. A discrete packet of electromagnetic radiation
  2. 2. A transparent object that refracts light into a spectrum
  3. 6. The distance between successive crests of a wave
  4. 9. The standard unit of electrical resistance
  5. 10. A composite particle made of quarks held together by the strong force

Down

  1. 1. An ionized state of matter often found in stars
  2. 3. Variant of an element with a different number of neutrons
  3. 4. Electric potential difference between two points
  4. 5. The tendency of an object to resist changes in its state of motion
  5. 7. A space entirely devoid of matter
  6. 8. The unit of luminous flux in the International System

Chemistry

Medium · 11×11 · 11 words
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  1. 1. A fluid's resistance to flowing
  2. 3. A solution that resists changes in pH
  3. 8. Having a pH value greater than seven
  4. 10. An organic compound derived from ammonia
  5. 11. The substance in a solution that does the dissolving

Down

  1. 2. A mathematical function describing the location of an electron
  2. 4. The number of moles of solute per liter of solution
  3. 5. A substance that speeds up a reaction without being consumed
  4. 6. To purify a liquid by heating and cooling
  5. 7. A six-carbon aromatic ring structure
  6. 9. A fundamental constituent of matter found in protons

Solar System

Hard · 11×11 · 15 words
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  1. 1. A candy bar or a rusty, warring neighbor?
  2. 4. A royal halo seen only when the primary star hides.
  3. 6. Proverbial cheese wheel that pushes and pulls the tides.
  4. 7. Going around in circles, gravitationally speaking.
  5. 8. Throwing shade on a massive, cosmic scale.
  6. 11. A brilliant flash in the pan before hitting the dirt.
  7. 12. A theoretical, icy cloud for cometary origins.
  8. 13. An icy giant that insists on rolling along on its side.

Down

  1. 2. When you're as far away as possible in a satellite relationship.
  2. 3. It's just a blinding phase of plasma, really.
  3. 4. Halley's famous icy tail-wagger.
  4. 5. Cloudy, colorful nursery where massive bodies are born.
  5. 8. An icy Jovian moon hiding a vast, dark ocean.
  6. 9. The undisputed hula hoop champion of the cosmos.
  7. 10. Dirt that we just happen to call home.

Solar System

Easy · 11×11 · 13 words
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  1. 1. The hot star at the center of our planetary system
  2. 5. The sixth planet from the sun, famous for its large ring system
  3. 7. The third planet from the sun and our home world
  4. 9. A building equipped for viewing the night sky and celestial events
  5. 10. The large natural satellite that orbits Earth
  6. 11. The curved path of a celestial object around a star or planet
  7. 12. The bright radiation provided by our central star

Down

  1. 2. The seventh planet from the sun, known for rotating on its side
  2. 3. A bowl-shaped depression on a surface caused by an impact
  3. 4. A rock from space that burns up in the atmosphere, often called a shooting star
  4. 6. A person trained to travel in a spacecraft
  5. 8. A rocky object orbiting in space, smaller than a planet
  6. 10. The red planet named after the Roman god of war
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