mountains
Pangaea
What is the name of the supercontinent that broke up?
Relief
What is another word for differences in height?
When loose rock rolls, slides or falls down a slope.
What is mass movement?
A plain
What is a low-lying flat area called?
Himalayas
Which mountain range formed from the collision of India and Asia?
Weathering
What is the process called when rocks break into parts?
Erosion.
What is the process of rocks and flowing water wearing away rock called?
sedimentation
What process occurs most in the lower reaches of a river?
Over fifty million years ago.
When did the formation of the Himalayas start?
A reaction of the rock with oxygen and water, which causes the rock to dissolve.
What causes chemical weathering?
Rocks bump into each other and rub against each other, becoming round in the process.
How does river gravel form?
The landscape is flatter, and they have to carry more water than they can handle.
Why do rivers in the lower reaches flood more often?
Young mountain range.
Are the Himalayas a young or old mountain range?
Chemical weathering involves changes in the rock's composition.
What is the difference between chemical and mechanical weathering?
V-Shape
What shape do valleys formed by rivers form?
What forms when a river ends in a sea where the currents are not very strong?
Sedimentary and igneous rocks.
What type of rocks can be found in the Himalayas?
Rainwater seeps down through the cracks in the rock and dissolves it.
How are caves formed?
What causes glaciers to flow downhill?
fossils
What can you find in sedimentary rocks?