River topic revision

alluvium

• loose clay, silt, sand, or gravel that has been deposited by running water in a stream bed

• loose clay, silt, sand, or gravel that has been eroded by running water in a stream bed

• loose clay, silt, sand, or gravel that has been transported by running water in a stream bed

Capital of Malaysia

• Malaysia city

• Kuala Lumpur

• Jakarta

Oxbow lake

• Curved area of river

• the remains of the bend in the river

• a narrow valley between hills or mountains

large, heavy pebbles are rolled along the river bed. This is most common near the source of a river, as here the load is larger.

• Traction

• Saltation

• Suspension

pebbles are bounced along the river bed, most commonly near the source.

• Traction

• Saltation

• Suspension

lighter sediment is suspended (carried) within the water, most commonly near the mouth of the river.

• Traction

• Saltation

• Suspension

Air becomes trapped in the cracks of the river bank and bed, and causes the rock to break apart

• Hydraulic action

• Abrasion

• Attrition

• Solution

When rocks that the river is carrying knock against each other. They break apart to become smaller and more rounded.

• Hydraulic action

• Abrasion

• Attrition

• Solution

When pebbles grind along the river bank and bed in a sand-papering effect.

• Hydraulic action

• Abrasion

• Attrition

• Solution

Choose countries with Portuguese as a state language

• Portugal

• Cuba

• Brazil

• Argentina