SOCIAL SCIENCE

How many sections can a river’s course be divided into?

• 1

• 2

• 3

• 4

HYDROSPHERE is the collection of all bodies of water on the Earth.

• TRUE

• FALSE

is the section closest to the source of a river. The water in it moves quickly and carries lots of sand and pebbles.

• MIDDLE COURSE

• LOWER COURSE

• UPPER COURSE

• MOUTH

is the central section of a river. Here, as the river flows over flat land, it joins together with smaller streams.

• UPPER COURSE

• MIDDLE COURSE

• LOWER COURSE

• SOURCE

is the section closest to the end of a river. In it, a river moves slowly and deposits the sand and pebbles it was carrying.

• SOURCE

• COURSE

• MOUTH

• LOWER COURSE

A river course is divided in three sections.

• SOURCE, UPPER COURSE, MOUTH

• SOURCE, MIDDLE COURSE, LOWER COURSE, MOUTH

• SOURCE, COURSE, MOUTH

• UPPER COURSE, MIDDLE COURSE, LOWER COURSE

CHARACTERISTICS OF A RIVER:

• Stable regime, variable regime, discharge

• Length, stable regime, discharge

• Variable regime, length, discharge

• Length, discharge and regime

The amount of water passing through a given point in a river at a given time.

• Regime

• Discharge

• Length

• Source

The variation in a river’s discharge over the course of a year.

• Length

• Discharge

• Regime

• Course

The distance between the source and the mouth of a river.

• Discharge

• Length

• Course

• Regime