Waves and Currents 2024

What is the main focus of the standard S6E3d?

• Describe the characteristics of the ocean floor.

• Explain the causes of waves, currents, and tides.

• Analyze the impact of human activities on oceans.

• Compare and contrast different types of ocean ecosystems.

What is a wave?

• A static form in the ocean

• A rhythmic movement that carries energy through matter and space

• A random fluctuation in the ocean

• A permanent structure found in the sea

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Where do waves move through seawater?

• In the sky

• In rivers

• In the ocean

• In lakes

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What causes the water to begin piling up and forming a wave?

• The moon's gravitational pull

• The water's temperature

• The wind blowing across the body of water

• Fish swimming near the surface

On what does the height of a wave depend?

• The depth of the water

• The speed of the wind and the distance over which the wind blows

• The salinity of the water

• The amount of marine life present

Tags

NGSS.MS-PS4-1

What additional factor, besides the speed of the wind, influences the height of a wave?

• The color of the water

• The length of time the wind blows

• The angle of the sun

• The type of seabed

What happens to waves once they are set in motion?

• They stop immediately when the wind stops blowing

• They continue moving for long distances, even if the wind stops blowing

• They reverse direction and head back out to sea

• They increase in size and become tsunamis

Tags

NGSS.MS-PS4-1

Where could the waves you see at a beach have originated from?

• From the local area only

• From the opposite side of the beach

• Halfway around the world

• From underwater earthquakes only

What are ocean currents?

• A type of wave in the ocean

• A mass flow of ocean water

• A temperature change in the ocean

• A seasonal change in the ocean

Tags

NGSS.MS-ESS2-6

How many main types of currents are discussed in the material?

• One

• Two

• Three

• Four