Understanding the Middle Course of a River

What is the middle course of a river characterized by?

• Narrow and steep channels

• Wide and deep with fast flowing water

• Dry riverbeds

• Frozen water

What causes a river to get wider and deeper in its middle course?

• More fish in the water

• More tributaries flowing into it

• Less water in the river

• Higher temperatures

What is a meander?

• A bend in the river

• A waterfall

• A type of fish

• A straight path in a river

What is an oxbow lake?

• A man-made lake

• A lake formed by meanders meeting each other

• A lake formed by glaciers

• A lake formed by damming a river

What role do beavers play in river ecosystems in Scotland?

• They pollute the water

• They build dams and lodges

• They decrease water flow

• They eat fish

What is erosion?

• Flow of water

• Freezing of water

• Wearing away of material over time

• Building up of material

What is deposition?

• Removal of water from a river

• Increase in water speed

• Construction of dams

• Dropping of material by water

What is a tributary?

• A bridge over a river

• A waterfall

• A type of fish

• A stream or river flowing into a larger one

What does the Scottish Outdoor Access Code encourage?

• Littering

• Respecting others and caring for the environment

• Feeding wildlife

• Building structures

Why does water flow faster on the outside of a bend in a river?

• There is more sunlight

• There is less friction

• The water is cleaner

• There are more fish