Heat & Energy
Atoms and Elements
Forces and Motion
Challenge A
Challenge B
100
This is defined as the average kinetic energy of the particles in a substance.
Temperature
100
What makes one element different from another element?
atomic number (# of protons)
100
Often using x,y, and z axes, these coordinate systems are used to describe an objects motion
Frames of Reference
100
The Universal Law of Gravitation shows that gravitational force is related to mass and distance in what ways?
Directly related to mass (proportional) and indirectly related to distance (inversely)
100
a point where adding or removing thermal energy does not result in a temperature change.
Phase Change
200
Thermal transfer that does not work in a vacuum and is seen most with fluids
convection
200
Different versions of an element due to different numbers of neutrons are referred to as ...?
isotopes
200
An object will remain at its current velocity unless acted on by an unbalanced force (Which Law?
Newton's 1st Law
200
An instant cold pack is an example of this type of reaction.
endothermic
200
The amount of energy required to raise the temperature of 1 g of material by 1 degree celcius
specific heat
300
If the system includes all the parts being studied, everything else is referred to as...?
Surroundings
300
These numbers describe the electrons in an atom. There are four of them.
quantum numbers
300
Scalars and Vectors have what in common?
magnitude
300
total amount of energy produced by a chemical system
enthalpy
300
What structural layer is made of the oceanic and continental crust?
Lithosphere
400
The amount of time a compound remains in a reservoir or region (i.e. carbon in the amazon rain forest) is referred to as ...?
residence time
400
Why is light described as having a dual nature?
behaves like a wave and a particle
400
Distance is what type of quantity?
scalar
400
How can the equation for speed can be rearranged to find time?
t = d/s
400
The verticle columns in the periodic table are referred to as...?
groups or families
500
The three types of plate boundaries are ...?
riesdivergent, convergent and transform bounda
500
Lewis Dot Structure
500
This law can be used to solve physics problems involving collisions.
Law of conservation of momentum
500
Which property is defined by mass x velocity?
momentum
500
Chemical reactivity is based on how easily these types of electrons are gained or lost.
valence electrons