children on the beach

The materials on a beach such as gravel, minerals, gravel, pebbles and sand help scientists learn about the environment.

The shoreline on a beach is not always the same and may shift by about 5 metres over a period of 70 to 80 years.

Many animals depend on the beach’s ecosystem to survive because they live in the sand, on the sand and the zones near a beach.

Beaches can come in many colours including purple, red, grey and black. This is because different deposits on beach sand like glass, lava and silt can come in different colours.

The longest beach in the world is more than 200 kilometres long and is located in Brazil.


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