Is the explanation of the Law of Conservation of Momentum.
What is in the absence of a net of external force the momentum of an object or system of objects is unchanged?
100
Is the source of all sounds.
What is all sounds are produced by the vibrations of material objects?
100
Is how waves reflect off barriers.
What is the Law of Reflection- the angle of incidence equals the angle of reflection?
100
Is the reason why Old Korea joined WWII and what they achieved.
What is Korea wanted to be free from French colonies and they achieved economic growth and a democratic constitution?
100
Is the geometric formula for the Pythagorean Theorem.
What is c(2)=a(2)+b(2)?
200
Is a simple barometer that consists of 3 things.
What is a vacuum, glass tube <76 cm, and mercury?
200
Is how electromagnetic waves are arranged.
What is electromagnetic spectrum?
200
Is the main reason we can see color.
What is resonance which is the frequency of forced vibrations on an object matches the objects natural frequency?
200
Is the definition of Terrorism.
What is the use of violence and threats to intimidate or coerce, especially for political purpose?
200
Are 3 examples of recycled atoms.
What is breathing, decomposition and fusion?
300
Is the number of known elements in the periodic table.
What is 115?
300
Is the definition of conduction.
What is when energy transfers from one material or another through direct contact?
300
Is the reason why heat does not pass through the atmosphere.
What is conduction and convection because air is one of the poorest conductors?
300
Is the reason for the 3 Afghan wars from 1838-1919.
What is to have control of its own independence not by Russia or Great Britain?
300
Is the codename and the explanation for the Persian Gulf War.
What is Operation Desert Storm which was a war waged by an unauthorized coalition force from 34 nations led by the US against Iraq in response to Iraq's invasion and annexation of Kuwait?
400
Is the number of G's a person can physically handle.
What is 40 G's and the person has blacked out?
400
Is how pitch relates to frequency.
What is frequency is audibly described as pitch and as one increases the other increases?
400
Is transferred light.
What is ultraviolet?
400
Are the names of the 2 places that the Berlin Wall divides.
What is East Berlin and West Berlin?
400
Are the 4 processes that created elements.
What is Super Nova, fusion/fission, Big Bang and Stars colliding?
500
Is the lightest element.
What is Hydrogen?
500
Are 2 main forms of mechanical energy.
What is potential and kinetic energy?
500
Are the frequency of wavelengths of the spectrum.
What is radio=10(6)-10(8), micro= 10(4)-10(10.5), infrared=10(10.5)-10(14.5), UV= 10(15)-10(16.5), xray=10(16.5)-10(24), gamma?
500
Is what happened to the sub-Saharan Africans when the triangular trade started and the process to get there.
What is that the slaves were treated horribly. They were captured, sent to the eastern part of South America and North America, and the British would sell the slaves to those places and sail back to Britain with sugar?
500
Are forces that keep atoms from caving in and us falling through the floor.