6B Bill Nye - Earthquakes and Volcanoes

Earth’s surface floats on molten rock.

• True
• False

Oceans float on tectonic plates.

• True
• False

Volcanoes and mountains are formed when tectonic plates are moving apart.

• True
• False

Which of the following describes the direction in which the Earth’s plates can move?

• They can move to the right.
• They can move to the left.
• They can move up and down.
• All of the Above

Which of the following conditions is involved in producing earthquakes?

• Plate movement forms faults
•  Faults store energy
• Plates release energy as they slide against each other.
• All of the Above

An instrument that detects and measures earthquakes is a 

• seismogram
• focus seismic map
• focus
• seismograph 

What is an epicenter? 

• Where an earthquake started
• The surface right above where an earthquake started 
• Tectonic plates

If Earthquake X measured 1 and Earthquake Y measured 3 onthe Richter scale,then...

• Earthquake Y had 3 times the ground motion of Earthquake X.

• Earthquake Y had 10 times the ground motion of Earthquake X.

• Earthquake Y had 100 times the ground motion of Earthquake X.

• None of the above.

Which scale measures the intensity of the ground movement?

• Mercalli Scale
• Richter Scale
• Seismogram Scale
• Bernoulli Scale

What is the difference between magma and lava?

• lava is magma but it is on the surface of the Earth
• lava is the chamber that magma flows
• lava is the Earth's crust