VOLCANOES AND EARTHQUAKES

Dormant volcanoes are

• Ready to blow

• Sleeping

• Could erupt any time

• The biggest volcanoes in the world

Active volcanoes are

• Volcanoes that can erupt

• Volcanoes that get exercise

• Volcanoes that will never erupt

• The largest volcanoes in the world

What ocean does the Ring of Fire surround?

• The Pacific Ocean

• The Atlantic Ocean

• The Arctic Ocean

• The Indian Ocean

What is a tsunami?

• A big ocean

• Series of waves under the water

• A volcanic Mountain

• A shallow area

It's a violent shaking of the Earth's crust

• Earthquake

• Tsunami

• Volcano

Earthquakes and volcanoes are closely related.

• True

• False

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

• lava has a different chemical composition than magma

What is the shaking of the Earth’s crust caused by a release of energy?

• Earthquake
• Epicenter
• Fault
• Plate

The huge pieces of the earth's crust are called ____________________________.

• cups

• plates

• dishes

• spoons

What is mostly likely the cause of an earthquake?

• stress due to movement in Earth's crust
• gravitational variation due to Moon's orbit around Earth
• temperature variation due to Earth's orbit around the Sun
• rotational imbalance due to changes in Earth's poles