Science 7.6-7.8

The place where plates move inside the earth's crust; where the energy of an earthquake comes from.

• focus

• tremor

• epicenter

Melted rock that flows from a volcano

• lava

• vent

• tsunami

What is a minor earthquake called?

• tremor

• epicenter

• vent

The ____________ is where earthquake damage is often greatest; located above the focus.

• epicenter

• tremor

• vent

A volcano's opening is called a vent.

• true

• false

What test determines a rock's hardness?

• scratch test

• density

• streak test

What test determines the true color of the minerals in a rock?

• scratch test

• steak test

• texture test

Name 3 rocks that has luster.

• gold

  nickel

  granite

• Chalk

  nickel

  gold

• sand

  nickel

  mica

Earthquakes and volcanic eruptions can cause rapid changes to the earth's surface.

• true

• false

An earthquake's energy comes from its focus.

• true

• false