What is the area of science that studies the composition of matter and changes that matter undergoes?
Chemistry
100
When a hypothesis is tested many times with the same results, it becomes a _____________.
theory
100
What are the 2 general steps in successful problem solving?
Developing a plan and implementing the plan
200
The study of the composition of matter
analytical chemistry
200
________________ is anything that has mass and takes up space.
Matter
200
A __________________ is a concise statement that summarizes the results of many observations and experiments.
scientific law
200
To solve a word problem, what must you first determine?
The knowns and unknowns
300
The study of chemicals that, in general, do not contain carbon
inorganic chemistry
300
________________ applies science to the production of biological products or processes.
Biotechnology
300
What are two things scientists do to increase the likelihood of a successful outcome?
Collaborate and communicate
300
What are the 2 steps required to solve conceptual problems?
Analyze and Solve
400
The study of the processes that take place in organisms
biochemistry
400
What are the 3 reasons to study chemistry?
1. To explain the natural world
2. To prepare for a career
3. To be an informed citizen
400
Contrast the two types of variables in an experiment.
Manipulated Variable - the one that is deliberately changed.
Responding Variable - the one that changes in response to the manipulated variable.
400
How many days would it take you to count a million pennies if you could count 1 penny each second?
12 days
500
This area is concerned with the mechanism, rate, and energy transfer that occurs when matter undergoes a change
physical chemistry
500
Identify and explain the difference between the 2 main types of chemistry research.
Pure Chemistry - the pursuit of chemical knowledge for its own sake
Applied Chemistry - research that is directed toward a practical goal or application
500
What is the purpose of an experiment?
to test a hypothesis
500
What are the three steps needed to solved a numerical problem?