Volcano Test Part 2

Match it! Select the correct answer from the pull down...Good luck!

Eruptions vary between quiet and explosive, the explosive periods release tephra, the quiet periods release lava, forms alternating layers- This type of volcano is a _____________

xplosive eruptions that throw out rocks and lava known as tephra, steep-sided, loosely packed- This type of volcano is a __________.

________________ magma explodes more violently than basaltic magma because it has more silica.

If gases are able to escape easily from magma then the eruption will be __________.

A ____________ is a steep-walled dip or depression around a volcano.

Two things control if an eruption will be explosive or quiet- the amount of water vapor and _______________________ trapped in the magma and how much ________________ the magma has

Quiet eruptions of basaltic magma, flat layers, broad volcano, gently sloping sides, formed the Hawaiian Islands- This type of volcano is a_______________________.

________________ magma explodes violently because pressure builds up.