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Energy
Studying Matter and Energy
Measurements and Calculations
Section Reviews
Fun Facts
100
The capacity to do some kind of work, such as moving an object forming a new compound, or generating light.
What is energy
100
(Blank) is not a series of exact steps, but a strategy for drawing sound conclusions.
What is scientific method
100
The exactness of a measurement.
What is precision
100
The melting of ice is an example of...
What is an endothermic process
100
Matter is made up of...
What are atoms
200
The law that states that energy cannot be created or destroyed but can be changed from one form to another.
What is law of conservation of energy
200
Discovered Teflon by chance.
What is Dr. Roy Plunkett
200
The way numbers should be written.
What is scientific notation
200
The scientific name for Teflon is...
What is tetrafluoroethene
300
A measure of how hot (or cold) something is, a measurement of the average kinetic energy of particles in the object.
What is temperature
300
William Perkin discovered (blank).
What is synthetic dyes.
300
A prescribed decimal place that determines the amount of rounding off to be done based on the precision of measurement
What is significant figures
300
There is no uncertainty in the in the values that make up this factor.
What is a conversion factor
400
The more rapidly the water molecules move, the greater their...
What is kinetic energy
400
A law that states that matter cannot be created or destroyed in ordinary chemical and physical changes.
What is the law of conservation of mass
400
Exact values have (blank).
What is unlimited significant figures
400
This determines the temperature of a substance.
What is the motion of particles
500
Metals tend to have low (blank), indicating that relatively little energy must be transferred as heat to raise their temperatures.
What is specific heats
500
A statement or mathematical expression that describes the behavior of the world.
What is a law.
500
(Blank) depends on various factors.
What is specific heat
500
Every chemical change involves...
What is the formation of a different substance