River Transportation

Question 1

Traction

Answer 1

Heavy rocks & boulders rolled along river bed

—-> lots of energy required

Question 2

Saltation

Answer 2

Small stones & pebbles are ‘bounced’ along river bed

—> less energy required

Question 3

Suspension

Answer 3

Very small particles of sand/clay are ‘suspended’ in the water

–> less energy required

Question 4

Solution

Answer 4

When material is dissolved in the water, invisible

-> little energy required