Volcanoes Worksheet printable pdf download

Volcanoes Worksheet

Web Exploration:

Volcanoes!!!

Complete this form online at

Name:_____________________________________________________Hour:___________________

Section 1: What is a Volcano?

1.) About _______________ volcanoes are active today.

2.) Almost 90 percent are in the ________________________________, a band of volcanoes circling

the edges of the ____________________ Ocean.

3.) Name 3 benefits that come from volcanoes.

a.__________________________b.__________________________c._________________________

Section 2: Where do Volcanoes Occur?

4.) Most volcanoes occur at plate _________________________, areas where huge slabs of rock meet

in the Earth’s ______________________________.

Section 3: How do Volcanoes Form?

5.) Island-arc volcanoes occur when one oceanic plate _________________, or descends, under another

oceanic plate.

6.) Hot spots are intraplate volcanoes that occur in the _________________ of a plate not at the edge.

7.) Rift volcanoes arise in areas called spreading centers. Based on the description and what you have learned so

far, At what kind of plate boundaries do these occur?

Section 4: Types of Volcanoes

8.) Cinder Cone are relatively _________________, steep cone-shaped hills made up mostly of

ash and cinders. They tend to be mainly _______________________.

9.) Calderas are large volcanic depressions formed by inward _______________________ of a volcano.

10.) Composite volcanoes are steep-sided, symmetrical cones formed when _______________________

eruptions altenate with _____________ flows.

11.) Shield volcanoes, such as Hawaii’s _____________________, get their overturned-______________

shapes from rapid streams of lava, forming smooth, gentle slopes.

ONLY when both sides of this assignment are completed, you may go to this website and create

more volcanic eruptions.

Volcanoes Worksheet