CyberHunt from the Editors of Instructor


 

Directions: While ponds aren’t as large as lakes, or as swift as rivers, they sure are full of life! Take a splash into a pond and discover a unique habitat where frogs croak, water lilies float, and tiny insects glide along the water. Visit the Web sites below to learn amazing facts about ponds and all the creatures that call it home. First, print out the crossword puzzle so you can write down your answers. (Click on the puzzle for a printable version.) Then click on the links below to find the answers to the questions.

  ACROSS DOWN
1  

Water lilies have leaves that float on the surface, and long stalks that reach down to roots in the bottom of the pond. A waxy coating covers the leaves, and keeps the upper surface _ so dragonflies and frogs can stop and rest.

  1  

Ducks are the most common pond birds. Some ducks dive below the surface to find food. Other ducks called _ or puddle ducks feed off the pond’s surface.

         
2   A pond is a small, still body of water. Most pond bottoms are covered with mud, and are shallow enough for to grow all the way across.

  3  

Creatures such as flatworms and swan mussels live at the bottom of the pond. They are well suited for the unique conditions of this habitat, where there is very little oxygen and _.

         
5   Frogs are cold-blooded, which means their body temperature changes with the temperature of their surroundings. When it gets cold, some frogs dig burrows in the mud at the bottom of ponds, where they __ until spring.

  4  

When frog eggs hatch, they hatch into fish-like before changing into frogs.

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6   Ram’s Horn snails live on pond plants, where they lay __ covered in protective jelly.

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  7  

The microscopic animal called the Cyclops has only one _, just like the mythical creature it’s named after.

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9   Emergent plants grow along the edges of a pond. These plants may show above the waterline, but their __ are under water.

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  8  

Unlike permanent ponds, __ ponds exist only in the wet season. They dry up during the hot summer months.

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10   During the winter, a layer of ice may cover a pond. But life goes on underneath the surface, where underwater plants provide _ for the pond.

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  11   Water mites are tiny creatures with hooks on their legs. They have eight legs, like other members of the family.

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11   There are many different habitats in a typical pond—from the pond’s bottom to the surface of the water. The pond _ lives on the surface, using its long legs to spread its weight across the water.

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  13   Algae are found in fresh water— including ponds. Algae can be red, brown, or __ which is the most common kind found in ponds.

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12   How do you tell a frog from a toad? True frogs have longer hind legs that they use for swimming and hopping. Unlike dry and warty toads, frogs have smooth or slimy .

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13   There are many different kinds of ponds, each created in a unique way. Alpine ponds are found in mountains, where they were once gouged out by __.

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14   You might find a frog hopping along the pond shore or swimming through the water—that’s because it’s an amphibian. Amphibians are like fish because they can live in water. But they’re also like _ because they can live on land.

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