Earthquakes & Volcanoes
Visit the sites listed on the Earth Science page of the Kid Zone!
Go to http://sciencespot.net/ and click the Kid Zone graphic!
Earthquakes For Kids (USGS)
1. Have we had any earthquakes in our region? HINT: Go to the "Did You Feel It?" section and click
our state. List earthquakes by date, location, and magnitude!
2. Search the "Cool Earthquake Facts" area to find the answers to these questions.
(1) What was the largest earthquake in the U.S.? When, where, and what magnitude?
(2) What are moonquakes?
(3) What is a seiche?
(4) True or False? The San Andreas Fault is a single-continuous fault line that is more that 1300
km (800 miles) long, and in some spots is as much as 16 km (10 miles) deep.
(5) Which two states have the fewest earthquakes?
Roots of a Volcano
Go to the “Anatomy of a Volcano” area to answer these questions. Click the “Next” button at the top
to move to the next slide.
1. Where does the molten rock, or magma, that is erupted come from?
2. How many active volcanoes are on Earth? Where are most of them located?
3. What plates surround the Pacific plate?
4. What happens at a subduction zone?
Close the interactive window and read through the article on the main page to answer these questions.
5. How many volcanoes are erupting every day?
6. How many active (or potentially active) volcanoes are in the United States? ______ Where are
they located? List them below and provide numbers for each area.
Virtual Cave (Look in the last section on the Earth Science Links page!)
1. Where are the largest lava tube caves found?
2. How are lava tube caves formed?
Most tubes form when fluid _____________ flows down the sides of _____________, the upper
layer begins to _________, and the lava beneath continues to __________ in tubular conduits
beneath the surface. Due to the insulating effects of the hardened lava above, molten lava is able to
travel considerable __________________ underground with