This best explains the motions associated with plate tectonics
What are convection currents in the asthenosphere
100
The process that physically breaks down rock into smaller pieces.
What is mechanical weathering
100
These are always younger than the rocks that they cut through or cover. (Three answers)
What are faults, extrusions, or intrusions
200
This force is opposite the force of motion.
What is the force of friction.
200
Evidence of a liquid section of Earth's interior.
What is indirect evidence of seismic waves.
200
This is responsible for the Ring of Fire
What is a subduction zone
200
This boundary is responsible for mid-ocean ridges, rift valleys, and sea-floor spreading.
What is a divergent boundary
200
The amount of time that it takes for 1/2 the portion of radioactive material to break down into a new stable element.
What is half-life
300
The reaction force to the Earth pulling a ball down to the ground.
What is the ball pulls back on the Earth with an upward force
300
This is most directly responsible for the formation of the Hawaiian Islands
What is a hot spot
300
The primary process responsible for the formation of the island arcs.
What are subduction zones
300
The process of water dissolving limestone in caves.
What is chemical weathering
300
The process of using radioactive rocks to determine the numerical age of rocks.
What is radiometric dating
400
The strength of gravity depends on these two factors
What are the mass and distance between two objects
400
The movement of seismic waves through Earth originates from which type of potential energy?
What is elastic potential energy
400
This boundary is associated with deep ocean trenches, volcanoes, and compressional stress.
What is a convergent boundary
400
The Moon passes between Earth and the Sun, the Moon cast its shadow on part of Earth
What is a Solar Eclipse
400
Using layers at one location and matching rock layers at another location to compare their ages.
What is relative dating
500
An object that moves at a constant velocity is said to have this.
What is a net force of zero.
500
These two factors are responsible for the motion of convection currents
What are the changes in the fluid's density and the force of gravity
500
Name the three types of boundaries and the stress that accompanies each boundary
What are convergent boundary and compression, divergent boundary and tension, and transform boundary and shearing.
500
Identify the position of planetary objects in a Lunar Eclipse
What is Sun-Earth-Moon
500
If the entire history of Earth were represented on a scale 100 time units long (where the value
of 100 represents today), where would scientific evidence place the first appearance of an
abundance of diverse life forms first existing on the planet?
a. Scale location = 0
b. Scale location = 24
c. Scale location = 88
d. Scale location = 98