The Scientific Process
The weight of your alka seltzer tablet is an example of what type of observation?
Quantitative
Which subatomic particles are located in the nucleus of the atom
protons and neutrons
The type of friction that must be overcome in order to get an object moving
Static friction
When like charges are brought near to each other they will....
repel
Name the 3 compositional layers of the earth.
crust, mantle, core
A factor that changes in an experiment
What is a variable
change in color, production of a gas and formation of a solid are examples of what
A chemical change
Name the 2 types of potential energy
Gravitational PE and elastic PE
The law of reflection states that the angle of reflection is equal to...?
The angle of incidence
This type of rock forms as the result of heat and pressure.
Metamorphic rock
A possible, testable explanation for one or more observations or a suggested, testable answer to a question
What is a hypothesis
A pure substance that can not be broken down into a simpler substance and contains only one type of atom.
An element.
A hammer is an example of which type of simple machine
Lever
Longitudinal waves
Meteorites burn up in this layer of the atmosphere
Mesosphere
The following graph shows what kind of relationship between the variable
No relationship
This type of reaction releases energy into its surroundings
This is defined as the amount of work done each second
What is Power.
Which color in the visible light spectrum has the shortest wavelength?
violet
"Energy that is transferred as a consequence of temperature differences" is better known as?
Heat
This variable is placed on the X axis of a graph
What is the name of this compound? MgCl2
Magnesium Chloride
A car travels at a constant velocity of 60 miles per hour for 2 hours. What is its acceleration?
0 mph
When light refracts into a substance in which it must slow down, the light ray will bend __________ a line perpendicular to the surface it strikes.
Toward
Groundwater