Science Crossword Puzzles: Free Printable and Online

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

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10 puzzles, click Print on any puzzle below

Periodic Table

Easy · 11×11 · 14 words
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  1. 3. Metallic element with the symbol Fe that is the main ingredient in steel
  2. 4. Noble gas with the symbol Ar that is the third most abundant gas in Earth's atmosphere
  3. 5. Reddish metal with the symbol Cu widely used for electrical wiring and plumbing
  4. 7. Silvery metal with the symbol Sn used to make cans for food preservation
  5. 10. Alkaline earth metal with the symbol Ca essential for strong bones and teeth
  6. 12. Silvery white metal with the symbol Ni used in stainless steel and five cent coins
  7. 13. Noble gas with the symbol Ne used to make glowing reddish orange signs
  8. 14. Metalloid with the symbol B used in fiberglass and heat resistant glassware

Down

  1. 1. Bluish white metal with the symbol Zn often used to coat iron to prevent rust
  2. 2. Highly reactive soft metal with the symbol Na that combines with chlorine to make table salt
  3. 6. Precious silvery white metal with the symbol Pt used in jewelry and catalytic converters
  4. 8. Metalloid with the symbol Si used to make computer chips and glass
  5. 9. Dark rock composed mostly of carbon used as a fossil fuel
  6. 11. Heavy toxic metal with the symbol Pb once used in pipes and paint

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man-wildlife conflict

Medium · 11×11 · 13 words
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  1. 2. Marine predator that occasionally encounters surfers, leading to beach closures
  2. 4. To reduce the population of a wild animal group by selective slaughter
  3. 7. Invasive wild pig that destroys agricultural land and native habitats
  4. 8. A device or measure intended to prevent animal intrusion without causing harm
  5. 11. Large African cat that preys on Maasai livestock, leading to retaliatory hunts
  6. 12. Hoofed animal frequently involved in highway collisions
  7. 13. A device used to capture animals, often causing controversy

Down

  1. 1. Large mammal known for raiding campsites and trash cans in national parks
  2. 3. Deadly viral disease transmitted to humans through wild animal bites
  3. 5. Domesticated animals on ranches that are vulnerable to wild predators
  4. 6. A strip of natural habitat connecting populations separated by human activities
  5. 9. Big cat whose shrinking habitat brings it into conflict with villagers in India
  6. 10. Pack predator whose reintroduction sparked intense rancher debates

Clinical Cased

Hard · 15×15 · 23 words
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  1. 1. An involuntary muscle rebellion that refuses to relax
  2. 5. A collective room where patients share both space and recovery
  3. 8. Relating to the muscular pump that beats in your chest
  4. 10. The arterial drumbeat that proves the pump is working
  5. 12. It helps the surgeon come clean before making the cut
  6. 14. The active intervention designed to combat a disease
  7. 17. A fibrous souvenir left behind by a successful recovery
  8. 18. A systemic crash where pressure plummets and perfusion fails
  9. 20. A microscopic trespasser that sets off the immune alarms
  10. 21. The final post-mortem consultation that gets the last word
  11. 22. The golden mean between a remedy and a poison

Down

  1. 2. The thread that sews up a surgeon's loose ends
  2. 3. A state of deep suspension where one is completely out of the loop
  3. 4. A specialized bodily unit that might be on a recipient's waiting list
  4. 6. A tiny flesh harvest gathered for microscopic interrogation
  5. 7. What wounds do when left to their own cellular devices
  6. 9. The clinical detective's formal verdict on what ails you
  7. 11. A plunger and barrel duo designed for sharp deliveries
  8. 12. A subjective warning flare sent up by an ailing body
  9. 13. The study of tissue gone wrong, under the microscope
  10. 15. Someone who must remain calm while waiting for the doctor
  11. 16. An abrupt kinetic insult that bypasses the waiting room
  12. 19. A colorful emergency call that sends the crash cart rolling

medicine

Easy · 5×5 · 5 words
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  1. 1. A substance used to treat a disease
  2. 2. A sudden increase in a medical condition
  3. 4. A common viral respiratory illness

Down

  1. 1. The measured amount of medicine to take
  2. 3. A thick substance applied to the skin

PARTS OF THE BODY

Easy · 7×7 · 8 words
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  1. 1. Limb used for walking and standing
  2. 7. Organ where food is digested
  3. 8. Organ used for sight

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  1. 2. Joint connecting the upper and lower arm
  2. 3. Tissue that contracts to produce movement
  3. 4. Organ that pumps blood through the body
  4. 5. Organ used for hearing
  5. 6. Area between the neck and the abdomen

PARTS OF THE BODY

Easy · 7×7 · 7 words
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  1. 2. One of the five digits on the foot.
  2. 4. The short, thick digit on the side of the hand.
  3. 5. The back part of the foot below the ankle.
  4. 6. The organ responsible for hearing.

Down

  1. 1. The lower limb used for standing and walking.
  2. 2. The flat region on either side of the forehead.
  3. 3. The soft part of the face below the eye.

Constellations

Medium · 11×11 · 14 words
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  1. 3. The sea monster sent to devour Andromeda
  2. 5. The ram with the golden fleece
  3. 6. Southern constellation representing the bird of paradise
  4. 11. The boastful queen forming a distinctive W in the northern sky
  5. 12. Zodiac twins represented by Castor and Pollux
  6. 13. First word in the names of the celestial Major and Minor bears
  7. 14. The crane, a southern constellation

Down

  1. 1. Nemean beast of the zodiac
  2. 2. The poop deck of the giant ship Argo Navis
  3. 4. Half-man, half-horse constellation of the southern sky
  4. 7. The scorpion that killed Orion
  5. 8. The crab sent to distract Hercules
  6. 9. The hero holding the head of Medusa
  7. 10. Zodiac bull containing the Pleiades cluster

Astronomy

Easy · 5×5 · 5 words
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  1. 1. Relating to the Sun.
  2. 2. The imaginary line around which a planet rotates.
  3. 4. The Latin name for the Moon.

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  1. 1. A luminous sphere of plasma held together by its own gravity.
  2. 3. The star at the center of our solar system.

Modern Science

Medium · 11×11 · 13 words
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  1. 1. Basic unit of heredity that CRISPR can precisely edit
  2. 3. Subatomic particle that makes up protons and neutrons
  3. 5. The raw information fed into neural networks
  4. 8. A world orbiting a star outside our solar system
  5. 9. Silicon wafer essential for modern computing power
  6. 10. System using radio waves to detect objects, vital for modern meteorology
  7. 11. Tiny bit of matter split in modern fission reactors

Down

  1. 1. Super-strong, single-atom-thick sheet of carbon atoms
  2. 2. Reaction that powers the sun, pursued as a clean energy source
  3. 4. Automated machine designed to perform complex tasks
  4. 6. Set of rules followed by computers to solve problems
  5. 7. Hypothetical instant transport, partially realized via quantum entanglement
  6. 9. Instructions written to program modern artificial intelligence

Bald

Easy · 5×5 · 4 words
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  1. 2. To remove hair from the head using a blade
  2. 4. The highest part of the head where hair might thin

Down

  1. 1. The skin on the top of the head
  2. 3. A smooth oval object often compared to a bald head
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Related Printable Crossword Topics

AnatomyAstronomyBiologyChemistryEcologyFamous InventionsFood ChainsGenetics & DNAHuman BodyMedicineNutrition & DietPeriodic Table

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