Yes, these are terms that we all use frequently, but when someone asks us the exact meaning we go...oh..oh..!

This is an online quiz for children. Click on the answer you think is correct to find out. Scroll down to start the quiz for kids: Natural Wonders


Panama is a good example of a long, narrow strip of land that joins two land masses surrounded by sea on either side. What is this kind of geographical feature called?

  • Isthmus
  • Estuary
  • Island
  • Knoll

Usually formed by water erosion, narrow channels form in the mountainside. What are these channels known as?

  • Fissure
  • Crack
  • Gully
  • Gorge

It is defined as an elongate depression of the earth's surface usually between mountain or hill ranges. It is an area drained by a river and its tributaries. What is it commonly known as?

  • Canyon
  • Valley
  • Plain
  • Plateau

The term originates from the fourth letter of the Greek alphabet. It refers to the wide triangle-shaped part of the river where it meets the lake or the sea. What is it called?

  • Delta
  • Canyon
  • Lagoon
  • Tsunami

It is a narrow, raised stretch of land that joins two mountains or hills that are close to each other. What is it called?

  • Ridge
  • Rift
  • Reef
  • Massif

A shallow pool of salt water which is near the coast. It is usually cut off from the sea by a ridge of sand and is a great place for swimming. What is it called?

  • Island
  • Lagoon
  • Cataract
  • Ebb

What is a narrow piece of land jutting into a lake or a sea called?

  • Jetty
  • Sand bank
  • Rapid
  • Peninsula

Sometimes at the deeper ends, the river forms a meander or bend. When this happens, the meander slits to form a shallow lake beside the river. What is this lake called?

  • Pool
  • Meander
  • Ox-bow lake
  • Shallow lake

What is that part of the river called where the fresh water of the river mixes with the salt water of the sea?

  • Strait
  • Junction
  • Tributary
  • Estuary

Usually found in flat, dry places, it is a deep valley with very steep sides. A river often flows through it and one can see it in its most exquisite form in the United States. What are we talking about?

  • Canyon
  • Ravine
  • Cliff
  • Mountain

733 words | 7 minutes
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