BrainPop: Tsunami

What are the "plates" that meet in subductive zones?

• collections of debris from the ocean floor

• huge slabs of concrete

• chunks of lava from volcanoes

• pieces of the earth's crust

Place the following events in sequence: A) A tsunami occurs; B) A segment of the ocean floor is pushed upward; C) Pressure begins building in a subductive zone

• A, C, B

• C, B, A

• B, C, A

• B, A ,C

If you were on a boat in the open ocean, why might it be difficult to detect a tsunami?

• gravity flattens out the enormous waves caused by undersea earthquakes

• tsunamis are caused by the natural cycle of tides

• tsunamis occur in seas and lakes, not oceans

• boats usually float on large waves

Tags

NGSS.MS-ESS3-2

How do tsunami waves compare to regular ocean waves?

• they're generally much flatter

• they're generally much wider

• they extend deeper underneath the water's surface

• they contain much more debris

Tags

NGSS.MS-ESS3-2

Which choice illustrates the two Japanese words that form the word "tsunami?"

• 
• 
• 
• 

How are tsunami waves like electromagnetic waves?

• they are cause primarily by earthquakes

• they can usually only travel through water

• they can travel long distances and carry lots of energy

• they travel along at exactly the speed of sound

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Where would you find a subduction zone?

• at the boundary between Asia and Europe

• in the middle of the ocean, far away from the continents

• off the coast of a continent

• near the North or South pole

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Tsunamis can be detected ahead of time by devices that measure:

• the height of ocean waves

• the destructiveness of natural disasters

• underwater energy

• seismic activity

Tags

NGSS.MS-ESS3-2