Nature Crossword Puzzles: Free Printable and Online

Discover the wonders of the natural world, including flora, fauna, geography, and environmental science. Explore ecosystems, weather, and conservation efforts.

Print any nature crossword below, download it as a PDF, or play it online. Free, and no signup is needed to play.

10 puzzles, click Print on any puzzle below

National Park Gems

Medium · 11×11 · 14 words
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Across

  1. 1. A blazed path for park visitors
  2. 5. Maine destination featuring Cadillac Mountain
  3. 6. A mountain's summit
  4. 7. Old Faithful is a famous example of this erupting hot spring
  5. 11. The world's first national park, spanning three states
  6. 12. The animal life of a particular region
  7. 13. The Snake or the Colorado, e.g.
  8. 14. Rare pine subspecies that suffered heavy mortality in the 2026 Santa Rosa Island Fire

Down

  1. 2. A newly discovered 2.5 km pre-Columbian pathway found at Machu Picchu National Park in 2026
  2. 3. Crater ___ is the deepest of its kind in the US
  3. 4. Over 280 of these head coverings were retrieved from Yellowstone's hydrothermal vents in summer 2026
  4. 8. California park known for El Capitan and Half Dome
  5. 9. A park employee wearing a distinctive flat hat
  6. 10. Alaskan park home to North America's tallest peak

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Ocean Life

Easy · 11×11 · 14 words
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Across

  1. 1. Arctic marine mammal recognized by its long ivory tusks and whiskers
  2. 7. Crustacean with two large claws that walks sideways on the sand
  3. 8. Long, snake-like fish found in reefs and deep waters
  4. 10. Flower-like sea creature that provides a safe home for clownfish
  5. 11. Reptile with flippers and a hard shell that lays eggs on sandy beaches
  6. 13. Tropical sea snail living inside a large, spiraled pink shell
  7. 14. Bivalve mollusk hidden tightly inside two hinged shells

Down

  1. 2. Bottom-dwelling crustacean with eight walking legs and heavy pinchers
  2. 3. Massive mammal that surfaces regularly to breathe through a blowhole
  3. 4. Clever eight-armed sea creature that can easily squeeze through tiny gaps
  4. 5. Tall, fast-growing brown seaweed that forms underwater forests
  5. 6. Microscopic organisms drifting in ocean currents that nourish marine food webs
  6. 9. Playful creature that floats on its back while cracking open shells
  7. 12. Fast-swimming saltwater fish commonly canned for sandwiches

sun haven

Easy · 7×7 · 6 words
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Across

  1. 1. The land near the sea
  2. 5. Land surrounded by water
  3. 6. A cloth used for drying off

Down

  1. 2. A vast body of salt water
  2. 3. An area protected from direct sunlight
  3. 4. A place for vacationers to stay

The Bear

Easy · 5×5 · 5 words
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Across

  1. 1. Sharp nail on a bear foot
  2. 4. Color of a grizzly bear
  3. 5. A place where a bear sleeps

Down

  1. 2. Size of an adult bear
  2. 3. Frozen precipitation in a winter den

WATER TRANSPORT IN PLANTS

Medium · 11×11 · 12 words
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  1. 1. Upright conduit between the underground system and leaves
  2. 2. Protective jacket enclosing a tree trunk's outer layers
  3. 8. Phase shift from liquid to vapor driving the transpirational engine
  4. 9. Microscopic root outgrowth maximizing intake area
  5. 10. Fluid carried through a tree's vascular highway
  6. 11. Rigid internal pressure that keeps non-woody plants upright

Down

  1. 1. Continuous inner pathway of living cytoplasm linked by plasmodesmata
  2. 3. Attraction between sap and hydrophilic conduit walls
  3. 4. Outer cellular boundary mediating liquid exchange with surroundings
  4. 5. Single mouth-like opening that breathes and sweats
  5. 6. Rigid polymer that reinforces conduits against collapse
  6. 7. Non-living pathway where fluids travel through cell walls and intercellular spaces

animals

Easy · 5×5 · 5 words
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Across

  1. 1. An amphibian that starts its life in water
  2. 3. An African animal known for its black and white stripes
  3. 5. A common small feline pet

Down

  1. 2. A farm animal known for climbing rocky terrain
  2. 4. A flying mammal that is active at night

Garden birds

Easy · 7×7 · 6 words
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Across

  1. 2. A bird often associated with peace.
  2. 5. A bird with a forked tail that catches insects in flight.
  3. 6. A bird known for its beautiful, melodic song.

Down

  1. 1. A long-legged bird that hunts in shallow water.
  2. 3. A nocturnal bird of prey with large eyes.
  3. 4. A bird that spends almost its entire life in the air.

Garden birds

Easy · 7×7 · 7 words
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Across

  1. 2. A noisy, bright blue bird often found in gardens.
  2. 5. A small, social, brown bird that often hangs out in groups.
  3. 6. A tiny, acrobatic bird that often hangs upside down from branches.

Down

  1. 1. A black and white bird known for being attracted to shiny objects.
  2. 3. A large, intelligent, all-black bird.
  3. 4. A bird that spends almost its entire life in the air.

Nature and Animals

Medium · 11×11 · 14 words
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Across

  1. 1. Heavy omnivore known to hibernate through winter
  2. 2. Pack-hunting predator known to howl at the moon
  3. 5. Nocturnal hunter noted for silent flight and neck flexibility
  4. 6. Morning moisture condensed on grass blades
  5. 8. Dense tropical biome bursting with biodiversity
  6. 10. Reptile famed for swiveling eyes and shifting skin tones

Down

  1. 1. Fierce burrower recognized by distinctive facial stripes
  2. 2. Forest bird with a shock-absorbing skull for drilling bark
  3. 3. Cunning canid with a bushy brush
  4. 4. Tenacious fish that leaps upriver to spawn
  5. 7. Water-saturated ecosystem acting as nature's filter
  6. 9. Sharp-eyed raptor circling high on thermals
  7. 11. Large antlered herbivore of North American forests

Goose

Easy · 5×5 · 4 words
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Across

  1. 3. To move through water using feet
  2. 4. To move through the air with wings

Down

  1. 1. A home built for eggs
  2. 2. The hard mouth part of a goose

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Nature Crossword FAQ

Is this Nature crossword puzzle free?

Yes. Every Nature crossword on this page is free. You can print it, download it as a PDF, or play it online without paying anything or creating an account.

Can I print the Nature crossword?

Yes. Click Print on any puzzle for a print-ready page with the grid, the clues, and a name and date line, or use Download to save it as a PDF, PNG, or JPEG for photocopying. The PDF download includes a filled answer key on the last page for grading.

Can students play these crosswords online?

Yes. Every puzzle has a Play online link that opens in the browser on any device. No app install and no signup is needed to play, which makes it easy to share with a class.

Can I make my own Nature crossword?

Yes. The free Grid Genius crossword maker builds a puzzle from your own words and clues, with a printable grid and answer key. The Grid Genius app can also generate a complete crossword from any topic you type.