Beach Knowledge Quiz

What is a beach?

• A steep cliff by the ocean

• A gently sloping area of sand, pebbles, or mud at the edge of a body of water

• A mountain covered with snow

• A forest near a river

What type of beach material is commonly found on sheltered coasts?

• Pebbles

• Rocks

• Sand

• Mud

What typically covers rocks at low tide?

• Trees

• Seaweed

• Moss

• Grass

What happens to large pieces of rock that break off from cliffs?

• They dissolve in water

• They are rolled by waves until they become sand

• They float on the surface

• They remain unchanged

Where does most beach sand come from?

• Volcanoes

• Broken-down boulders and cliffs

• Seaweed

• Clouds

What role do rivers play in the formation of beaches?

• They remove sand from beaches

• They bring sand and mud from inland to oceans and seas

• They create cliffs

• They prevent waves from reaching the shore

What are tropical beaches often made of?

• Lava

• Tiny fragments of seashells or coral

• Snow

• Grass

What are storm beaches characterized by?

• Fine, white sand

• Very large rounded boulders thrown by violent storms

• Coral reefs

• Calm waters

What is the 'backwash'?

• The initial rush of water up the beach

• The water draining back down the beach

• The collection of seaweed at high tide

• The wind blowing across the beach

Why are larger rocks found further up the beach?

• They are heavier and the backwash cannot carry them far

• They are carried there by animals

• They grow from the sand

• They are placed there by people