Forces that Affect Changes o n the Earth's Surface

The rock underneath Earth's surface is melted or nearly melted.

• True

• False

Magma is a rock that became soft and started to flow like a

liquid.

• True

• False

The part of the Earth's surface above the point of origin of an earthquake is called

the ________.

• epicenter

• center

• equator

• fault

• magnitude

________ is the shaking of the ground caused by the release of energy along a fault.

• An epicenter

• A center

• An earthquake

• A fault

• A magnitude

_____ are cracks in the Earth's crust where the surrounding rock has moved or shifted.

• An epicenter

• Volcanoes

• An earthquake

• A fault

• A magnitude

_________ is a vent on the Earth's surface through which molten rock (magma) flows out from the mantle.

• An epicenter

• A volcano

• An earthquake

• A fault

• A magnitude

The total amount of energy released during an earthquake is called the _________.

• An epicenter

• A center

• An earthquake

• A fault

• A magnitude

Earthquakes can _______.

• result to tsunamis

• result to mudslides

• result to landslides

• can cause powerful mudflow

• damage buildings and bridges

Preparations to do before an earthquake are_______.

• Avoid hanging breakable

  objects like mirrors and

  frames near the bed.

• Know the emergency exits and evacuation plans of the

  building you are in.

• Store breakable items like plates and drinking glasses

  on the upper shelves

  of cabinets.

• Grab whatever stuff you can from medicine cabinets, refrigerator, and food pantries quickly.

During an Earthquake if you are in the streets, you can stay beside a tall strong building.

• True

• False