How is the mountain in the picture formed?

• accumulation of magma, ash and cinder

• formation of cracks and fissures

• when land between two fault lines subsides

• wrapping of Earth's crust

What is a dormant volcano?

• molten rock

• the center of a volcano

• will never erupt again

• a volcano that is sleeping, but could erupt agian

What is magma?

• pieces of the Earth's crust

• molten rock inside of a volcano

• small rock

• plates that meet

What is lava?

• Molten rocks inside a volcano

• Molten rock outside a volcano

• small rocks

• magma

A glacier is a slowly moving mass of __________.

• rock
• wind
• ice 
• sediment

In deposition, __________ builds up in a place.

• water
• ice
• sediment
• carbon dioxide

Ocean __________ erode sand from beaches

• glaciers
• waves
• rocks

Earthquakes and ____________ can change Earth's surface quickly.

• wind
• volcanoes
• water

What caused this landform ?

• water
• glacier
• wind

Which is not the work of wind as an agent of erosion and deposition?

• Mushroom rocks

• Sand dunes

• Loess

• Arches