Tectonic Hazards/ Elevate Science

The Modified Mercalli Scale shows ratings of various earthquakes.

• M2.0 to M6.0

• M3.0

• M5.0

• greater than M6.0

A tsunami is a massive wave that can cause serious damage if it reaches land.

• True

• False

What is the first step in the formation of a tsunami?

• Large ocean waves slow down and increase in height as they reach the coast.

• Two tectonic plates slide past each other underwater, causing a large movement of water.

• Large ocean waves move in all directions away from the shifting plates.

• Large ocean waves form.

What is one way to reduce the impact of an earthquake?

• Install air filters in their homes.

• Reinforce building foundations.

• Add extra support to roofs.

• Attach bookshelves to walls.

Which action can help prepare for a volcanic eruption?

• Install air filters in their homes.

• Reinforce building foundations.

• Add extra support to roofs.

• Attach bookshelves to walls.

What is the final step in the formation of a tsunami?

• Large ocean waves slow down and increase in height as they reach the coast.

• Two tectonic plates slide past each other underwater, causing a large movement of water.

• Large ocean waves move in all directions away from the shifting plates.

• Large ocean waves form.

What is the second step in the formation of a tsunami?

• Large ocean waves slow down and increase in height as they reach the coast.

• Two tectonic plates slide past each other underwater, causing a large movement of water.

• Large ocean waves move in all directions away from the shifting plates.

• Large ocean waves form.

Which of the following is NOT a way to prepare for natural hazards?

• Ride a bike.

• Reinforce building foundations.

• Add extra support to roofs.

• Attach bookshelves to walls.

At which point on the diagram did the earthquake most likely start?

• Point A

• Point B

• Point C

• Point D

What is the diagram a representation of?

• The San Andreas Fault

• The Grand Canyon

• The Rocky Mountains

• The Amazon River