Sandy Beaches 2025

This water-filled space between these islands is known as a(n) _______________________.

• stream

• long shore current

• tide

• inlet

Where does beach sand come from?

• From the breakdown of rocks, shells, corals, and minerals

• From the melting of icebergs

• From the evaporation of seawater

• From the growth of plants on the beach

Where is an estuary most likely to form?

• In a salt marsh

• Between two barrier islands

• Where two inlets meet

• Where a river flows into an ocean

Which of the following is NOT a reason for low biodiversity at the beach?

• No substrate for attachment

• No place to hide from predators

• Abundant food sources at all times

• Must be able to survive out of water

True or False:

Sharks can live in Estuaries

• True

• False

What is the primary direction of sediment transport along the beach as shown in the diagram?

• Parallel to the shoreline

• Perpendicular to the shoreline

• At an angle to the shoreline, following the direction of the swash

• Opposite to the wind direction

Sandy Hook is an example of a _____ .

• Spit

• Delta

• Barrier Island

• Tombolo

How does longshore drift affect the shape of beaches and islands?

• It causes them to remain unchanged

• It creates a constant reshaping of beaches and islands

• It only affects underwater sandbars

• It prevents erosion

Based on the image, which of the following is a type of snail found on sandy beaches?

• Mole crabs

• Coquinas

• Moon snail

• Ghost crab

Why do marine plants have difficulty taking root in sandy formations like sand bars?

• The sands are constantly shifting

• The water is too salty

• The temperature is too high

• The sand is too dry