Volcanoes - Grade 9

What do you call the opening or vent in a volcano?

• vent

• crater

• magma reserve

• none of the above

When is a volcano considered extinct?

• When it is cut off from its magma supply

• When it is cut off from its lava supply

• When it doesn't have lava flowing

• All of the above

Land forms that is usually flat and its easier to build infrastructures is called :

• Plateaus

• Hill

• Plain

• none of the above

Which of the following is NOT a product of volcanic eruption?

• lava flow

• Volcanic Gas

• Magma

• None of the above

Occurs when magma is ejected to the vent:

• Earthquake

• Eruption

• Lava flow

• None of the above

There are volcanoes underwater.

• True 
• False

Positive effects of Volcanic eruption :

• can provide opportunities for generating geothermal energy.

• Provide valuable nutrients for the soil.

• Provide dramatic scenery

• None of the above

Which is NOT a part of a Volcano

• Crater

• Magma Reserve

• Vent

• Magma Flow

Which is not a types of volcano :

• Extinct

• Cinder

• Composite

• Shield