earth science
What is the cause for an earthquake
When heat from the Earth's core creates currents in the crust, the tectonic plates can scrape, bump, or drag along each other
What is a chemical change
a change that changes the substance of the object
What is the difference between circuit electricity and static electricity
As opposed to static electricity where charges gather and remain at rest, current electricity is dynamic charges are always on the move
Magnets have this many poles
2
The gaseous layer surrounding Earth or another heavenly body
What is the atmosphere?
Where did the strongest earthquake in American history take place
what is a physical change
a change that only changes the form of the object and can be undone
What is a parallel circuit
a parallel circuit is an electrical path that branches so that the current divides and only part of it flows through any branch
The north pole is attracted to the
South pole
This principle states that when artifacts are found in rock or earth that is layered, the deeper layers hold the older artifacts
What is the principle of superposition?
what content was before all contents
Pangea
What physical properties does glass have
transparency, heat resistance, pressure and breakage resistance and chemical resistance
A component that gives power to the whole circuit is this
What is a battery
What would happen if you drop a magnet or hit it with something?
The magnet will become weak or might stop working
Using a radioactive process to determine the age of an item
What is radiometric dating?
where did the deadliest earthquake take place
Shaanxi Province, China, in 1556
What is the difference between chemical and physical properties
A chemical property describes the ability of a substance to undergo a specific chemical change
This connects all the other components in a circuit
What is a wire
The ancient Greeks found a special type of rock in an area called
Magnesia
The process of counting tree rings to determine the age of a tree
What is dendrochronology?
what are the three different types of rock
Metamorphic sedimentary igneous
what is the strongest substance
Graphene
This component holds back voltage
What is a resistor
fill in the blank ................is the strongest magnetic substance.
Neodymium magnets
This test asks, "Does the document contradict other known historical facts?"
What is the external test?