Show:
Earthquakes
Volcanoes
Weathering
Volcano Types
Potpourri
100
What is the point on Earth's surface that is directly above the focus?
epicenter
100
What is the melted rock that is inside of the Earth?
Magma
100
True or False Plant roots are a form of weathering?
True
100
What state is famous for its shield volcanoes?
Hawaii
100
What are all three layers of the earth?
Crust, mantle, and core
200
When an earthquake occurs the earth's plates move in what direction?
The plates are moving past each other.
200
What is the rocky tube in a volcano through which magma rises toward the surface?
Vent
200
What type of erosion is air moving across the land that blows soil, sand, and rocks?
Wind erosion
200
What is the name of the volcano that has steep sides, made mostly from cinder chunks?
Cinder cone
200
What is the name of the tool that scientists use to measure earthquake waves?
Siesmograph
300
What is the point that underground where movement first occurs?
Focus
300
What is an underground pool of lava?
Magma Chamber
300
How many slow types of weathering are there? (Hint, I had a poster of these on the board)
Six
300
What is a volcano with gentle slopes, made mostly from runny lava?
Shield volcano
300
What happens when two plates move towards each other?
Forms mountains or volcanoes
400
What is the name of the famous fault line in California?
San Andreas
400
What is melted rock that reaches Earth's surface?
Lava
400
Why do potholes grow larger in the winter?
Water freezes and expands in the cracks
400
What is a volcano with steep peaks, gentle slopes, made from both cinder chunks and runny lava/
Composite volcano
400
What is the name of a break in Earth's crust along which rocks move?
Fault
500
What is the name of the scale that scientists use to measure the energy released during and earthquake?
Richter Scale
500
What was the name of the volcano that erupted in 1980, that knocked down trees 15 miles away?
Mount Saint Helens
500
What is a triangle-shaped landform that forms when sand and soil are deposited at the mouth of a river
A delta
500
Name one of the two ways, that we talked about, that volcanoes are helpful.
1. Makes new land 2. Adds nutrients to the soil
500
What direction would the plates be moving if they were creating new land?
Away from each other