Q4W6 Beach Erosion

What is erosion?

• The planting of trees along the coast

• The constant movement of materials from one place to another

• The building of beaches by humans

• The process of removing pollution from beaches

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

How do dunes help protect the beach?

• By keeping the sand in one place

• By growing new plants and trees

• By blocking wind and water from moving sand

• By making the beach look more beautiful

What is "beach nourishment"?

• Feeding sand to beaches that have lost sand

• Planting grass to make beaches greener

• Adding seawalls to stop waves

• Removing pollution from the beach

Tags

NGSS.MS-ESS3-4

What does a jetty do?

• Protects beaches from pollution

• Stops sand and water from eroding the beach

• Blocks longshore currents from moving sand to another beach

• Helps sand grow new plants

What is pollution, and why is it harmful to beaches?

• Trash and other harmful materials that hurt the land, air, and water

• Sand that washes away from the beach

• Waves that bring new materials to the beach

• Plants that grow in areas where sand is needed

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

How can people slow down beach erosion?

• Build tall buildings near the coast

• Plant grass, trees, and plants on dunes

• Remove all the sand from the dunes

• Allow waves to move freely across the beach

Tags

NGSS.MS-ETS1-3

What are beaches made of?

• Grass, leaves, and dirt

• Sediment, shells, and coral pieces

• Rocks, logs, and soil

• Waves, wind, and plants

Why do people feed sand to beaches?

• To make them stronger and healthier

• To stop people from swimming in the ocean

• To remove pollution from the water

• To attract more fish to the coast

Tags

NGSS.MS-LS2-5

What is the purpose of a seawall?

• To stop pollution from reaching the ocean

• To keep waves from washing sand too far onto the land

• To grow new sand dunes

• To remove rocks from the beach

Tags

NGSS.MS-ETS1-3

Why is it important for people to work together to protect beaches?

• Beaches are only used for fun and games.

• Beaches are fragile and can be preserved or destroyed by people’s choices.

• Beaches do not change and need no protection.

• Beaches are the best places for buildings and roads.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5