All the Layers
The older the layer, the _______ is it?
Lower
We split time into what units?
Era
Acid Rain
What do we call an energy resource that is not easily replacable?
Non-Renewable
What type of disaster is made from thunderstorms and features a cyclone of air?
Tornado
All layers initially form as what?
Horizontal Layers
What age do we commonly refer to as the "Age of Dinosaurs?"
Mesozoic Age
When we cut down too many trees, what is it called?
Deforestation
What are Coal, Natural Gas, and Oil commonly refered as?
Fossil Fuels
What type of natural disaster happens out in the ocean and comes ashore?
Hurricane
How can layers be erased from the time scale?
Erosion
If a fossil is found only in a specific layer or section, we call it a what?
Index Fossils
What is the main source of pollutants for air?
Cars and other motor vehicles
What is a source of energy that is easily regenerated or never runs out called?
Renewable Energy
How do we measure tornado strengths?
The Enhanced-Fujita Scale (Or EF Scale)
When igneous rock comes up through layers, it is called a what?
Intrusion
What type of dating is stratigraphy (rock layers) used for?
Relative Dating
What is it called when the cause of pollution is easily identifiable and from a single cause.
Source Pollution
What renewable source uses energy from the sun?
Solar
Volcanoes are areas where magma and ash can erupt. What type of volcano has both, rather than one or the other?
Stratovolcano (or Composite)
If a fault D affects layers A and B, but not C, what is the order of the layers from oldest and youngest?
A, B, D, C
What type of dating is used for absolute dating?
What is a major effect of air pollution that affects the entire world?
Global Warming
What is an example of a renewable resource we use here in Arizona?
(Pick any one) Solar, Wind, Hydro
How are earthquakes and tsunamis related?
Earthquakes can cause tsunamis