MIDTERM Y7 TERM 3

How moisture falls to earth is called

• rainfall

• precipitation

• snowfall

• hail

heat from the sun causes water to _________________ into the air.

• rise

• evaporate

• condenses

• collect

The rainwater soaks in the soil and fills up the pores and cracks into the rock, it is called________________

• infiltration

• groundwater

• throughflow

• impermeable

Name the processes in the Upper Course?

• erosion

• deposition

• transportation

• condensation

When a river loses energy and drops its load, this is called _________.

• erosion

• transportation

• deposition

• saltation

Name the four prosses of transportation.

• hydraulic action, saltation, solution, suspension

• traction, saltation, abrasion, suspension

• traction, saltation, suspension, solution

• traction, saltation, solution, attrition

Which of the following explains the erosion process of hydraulic action?

• the mild acidic river water dissolves the rocks and minerals.

• rocks in the water scrape off materials from the river bank.

• socks collide with each other and become smaller and rounder.

• water compresses the air in cracks and widens them.

______________ is responsible for making the river deeper and wider.

• erosion

• transportation

• deposition

• abrasion

Which is not a process of erosion?

• attrition

• abrasion

• solution

• traction

What is a watershed?

• the flat land that floods when the river overflows.

• the point where two rivers join.

• the dividing line between one river basin and another.

• smaller rivers join the main river.