Floods and earthquakes

A flood is when there is ................... all over.

If the ground becomes full of water too quickly, it causes a ...........

How can you tell which is higher and lower grounds in a flood?

• Higher grounds will stick out, while lower grounds will be covered in water.

• Lower grounds will stick out, while higher grounds will be covered in water.

• All grounds are covered in water.

The earth has ................... layers.

The outer layer of the earth is called the ....

• mantle

• inner core

• crust

• outer core

The edges around tectonic plates are called...

A........................... detects and measures the vibrations given off by an earthquake.

• scale

• thermometer

• seismometer

Magnitude is the number given to record the .............. of an earthquake.

• strength

• size

• weight

Earthquakes measured at 2.5 are usually not felt, but can be recorded. True/false

The Pacific Ocean is also known as...