Terms in this set (24)
What is an investigative question?
A question that is answered through the performing of an experiment.
What does a qualitative observation describe?
Color, shape, texture, size, or sound
What is a variable?
A factor that can affect the outcome of an experiment
What does a quantitative observation describe?
Uses numbers to find measurement, length, mass, width, amount
What is an inference?
An attempt to explain an observation
What is RADIATION?
heat from the sun to the earth
What is CONDUCTION?
transfer of heat energy from one substance to another when touching
What is CONVECTION?
the circular movement of heat transfer from hotter substances to colder substances
Where does a hurricane get its energy from?
In a strike/slip boundary no new plate is lost or gained
What is the coolest layer of the Earth?
A geologic event that is most likely to occur at a plate boundary
What does a seismograph measure?
the size of an earthquake
Wind is biotic
Most tornadoes usually last 1 - 2 hours
Examples of mechanical weathering
temperature changes, organic activity, frost action
How are the scales used to categorize natural disasters?
Fujita, Saffir-Simpson, Mercali, Richter
Evidence for Alfred Wegener's theory
fossils of certain species that have been found in several continents, signs of erosion and materials deposited from glaciers, and similar mountain chains found in South America and Africa
a small lizard that lived in fresh, shallow water
Oxidation is an example of mechanical weathering
definition of ignis
can contain fossils and/or remains of organisms
show a complex series of feeding relationships between organisms
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