Coastal Protection and Environmental Science

How does a jetty help to protect a coastline from erosion?

• It prevents the sea level from rising and removing sediment.

• It becomes a barrier against waves and current.

• It deposits sand created by the weathering of the rocks.

• It forces sand to stay on the beach by increasing waves

The picture shows beach grasses that have been planted along the beaches of many coasts. Which question are the beach grasses MOST LIKELY intended to answer?

• How can ocean pollution be prevented?

• How can shoreline erosion be reduced?

• How can the rising sea level be decreased?

• How can the diversity of marine life be improved?

Which technology would best be used to predict when a volcano will erupt?

• A flood map showing likely flood areas around the volcano.

• A satellite image showing cloud movement above the volcano.

• A computer program showing past eruption dates of the volcano.

• A seismology study showing ground movement near the volcano.

Which of the following is an example of beach reclamation?

• Clearing away garbage from the beach.

• Removing human objects from a beach.

• Adding sand to a beach that is eroding.

• Creating a larger beach by removing grasses.

Which question can be answered using the satellite image of the hurricane?

• When a future hurricane will occur?

• What name a hurricane will receive?

• What path does a hurricane always follow?

• Where will a hurricane likely cause damage?

The image shows a flood depth map of Louisiana. Which question can be studied using this information?

• In what season do floods normally occur?

• How much rainfall can cause a flood to occur?

• Which areas are most likely to flood in the future?

• How much does it cost to repair areas affected by floods?

Which of the following is NOT an example of the use of satellites in science?

• A. studying Earth's features

• B. collecting weather information

• C. wireless communication

• D. collecting samples on other planets