Which of the following is NOT one of the requirements for a sand dune to form?

How many ways does wind move sand?

When sand is blown up a beach and hits a piece of drift wood. What is formed when sand builds up against the wood?

Where is the lee side of a sand dune?

What is another name for the leeward side of a sand dune?

Which side of a sand dune is the windward side?

At what angle in degrees, does sand stop slipping, as the sand dune has become stable?

What determines the height of a sand dune?

On which side of a sand dune is the gentle slope?

Several dunes may run parallel to the shore. What is the change in vegetation with increased distance inland, known as?

How tall may mature sand dunes grow?

What colour are dunes that are further away from the sea?

What is the name of the tall tufted grass that grows on windswept coasts.

What is the term for the trough that separates each line of dunes?

Occasionally a dune may develop a huge depression when strong winds remove sand from an area that has lost its vegetation. What is this depression called?

What is a new dune called?

What method of transportation is used when sand is bounced along by the wind?

Sand dune size increases inland. What part of the marram grass assists preventing further migration of the sand.

What is the top of a sand dune called?