A River’s Journey to the Sea

In the picture

1. 1Source: small streams rise in the hills
2. 2Tributary: a side stream joins the main river
3. 3Meander: the wide river curves in loops across lowland
4. 4Mouth: the river reaches the sea, here through a delta

Examples

• Rain running down a hill gathers into little streams, like the start of a river.
• The Nile flows all the way to the Mediterranean Sea and forms a big delta.

Quiz: A River’s Journey to the Sea (Age 9)

1. 1

   Which way does a river always flow?

   • Across flat land and back to the hills
   • Downhill from the hills to the sea
   • From the sea up into the hills
2. 2

   What is a tributary?

   • The place where the river reaches the sea
   • A loop the river makes across flat land
   • A side stream that joins the main river
3. 3

   Why does a river get wider as it travels?

   • Because tributaries add more water to it
   • Because water grows bigger when it warms up
   • Because the sea pushes water up into it

The answers, each with its explanation, are in the app. This quiz is free there while the lesson is in the free week.