Upgrade to remove ads
Only $2.99/month

Chemistry Chapter 1

Terms in this set (29)

Troposphere
Lowest layer of earth's atmosphere
Stratosphere
Above troposphere
Mesophere
Above Stratosphere
Thermosphere
Above Mesophere
Exosphere
Above Thermosphere
Ozone
Oxygen gas is exposed to ultraviolet radiation in stratosphere forms this
Chloroflourocarbon
A chemical that consists of chlorine, flourine, and carbon; do not occur naturally; nontoxic and stable; do not readily react with other chemicals
Matter
Anything that has mass and takes up space
Mass
A measurement that reflects the amount of matter
Weight
A measure not only about the amount of matter but the effect of Earth's gravitational pull on that matter
Organic Chemistry
Most Carbon - Containing chemicals
Inorganic Chemistry
Matter that does not contain carbon
Physical Chemistry
The behavior and changes of matter and the related energy changes
Analytical Chemistry
Components and composition of substances
Biochemistry
Matter and processes of living organisms
Scientific Method
A systematic approach used in scientific study
Qualitative Data
Information that describes color, odor, shape, or other physical characteristics; looks, feels, tastes, smells like
Quantitative Data
How much, how little, how tall, how fast
Hypothesis
A tentative explanation for what has been observed
Experiment
A set of controlled observations that test the hypothesis
Independent Variable
The variable in the solution that will be changed
Dependent Variable
Its value changes in response to a chence in the independent variable
Control
A standard for comparison
Conclusion
A judgement based on the information obtained
Theory
An explanation that has been supported by many experiments but is not proven
Scientific Law
An explanation which has been proved
Pure Research
Seeks to gain knowledge for knowledge itself
Applied Research
Research done to solve a specific problem
Technology
The practical use of scientific information
THIS SET IS OFTEN IN FOLDERS WITH...