Seafloor Spreading and Tsunamis

In the diagram, what is the term for the flat area that extends from the edge of a continent under the ocean?

• A) Continental shelf

• B) Abyssal plain

• C) Oceanic plateau

• D) Submarine terrace

Tags

NGSS.MS-ESS2-2

Tsunamis can be triggered by ______.

• Earthquakes

• Landslides

• Volcanic eruptions

• All of the above.

Tags

NGSS.MS-ESS3-2

Tsunamis are often associated with which of the following?

• A) Tectonic activity

• B) Seafloor movement

• C) Both A and B

• D) None of the above.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

As waves approach the shore, they _______ and increase in height.

• speed up

• slow down

• remain constant

• disappear

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

In the tsunami diagram, what is the 'trough'?

• The highest point of the wave

• The lowest point of the wave

• The middle of the wave

• The end of the wave.

What is the 'wavelength' in the context of a tsunami?

• The distance between two crests

• The height of the wave

• The speed of the wave

• The depth of the ocean.

What is the role of the 'shoreline' in the tsunami diagram?

• It is where the wave starts

• It is where the wave ends

• It is the highest point of the wave

• It is the lowest point of the wave.

Near the shore, the wave height of a tsunami ______.

• Decreases

• Remains the same

• Increases

• Disappears

Tags

NGSS.MS-PS4-2

Which of the following is NOT a characteristic of tsunamis?

• A) Long wavelength

• B) High amplitude in deep water

• C) Little energy loss

• D) Series of waves.

Tags

NGSS.MS-ESS3-2

The wavelength of a tsunami can be up to 100 miles between ______.

• Troughs

• Peaks

• Wave crests

• Valleys

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2