This kind of erosion move the most rock on Earth's surface
water
Do volcanoes change the surface of the Earth slowly or quickly?
quickly
What could make a mountain become smaller?
erosion, weathering
Scientists use this tool to measure movement
seismograph
How can arches become dangerous?
They can erode and eventually fall
Name four types of volcanoes
Shield, dome, strato, cinder cone, composite
What is the best estimate of how long it takes for a glacier to carve a valley?
Hundreds, thousands, or millions of years?
Thousands
Why would scientists want to predict Earthquakes?
So that people can be prepared and less damages are caused
What is one example of a slow earth change?
What is the definition if a volcano?
An opening in the Earth's crust that allows hot melted rock, ash, and gases to erupt out.
What is the definition of weathering?
Breaking down into smaller pieces
fault
What does erode mean?
To wear away
Where do most volcanoes and other seismic activities take place?
Where the Earth's tectonic plates meet.
What is the first stage of weathering?
Water seeps into cracks and freezes
Earthquakes form valleys and __________.
mountains
What is an example of a quick earth change?
volcano, earthquake, mudslide
When hot rock deep in the Earth expands and is forced out of the opening of a volcano, what is formed?
Lava
It has taken over _______ years for the Grand Canyon to form.
100, 500, 5000, 10000
5,000
What is the word that means "the process of layering sediments"?
Deposition