Ch.2 Sec.1
Ch.2 Sec.2
Ch.2 Sec.3
Ch.1 Sec.1
Ch.1 Sec.2
100
Changes affecting the form of a chemical substance, but not its chemical composition.
What is a Physical Change?
100
A pure substance containing two or more elements that have been chemically combined in a fixed proportion.
What is a Compound?
100
The ability of a substance to undergo a specific chemical change.
What is a Chemical Property?
100
Anything that has mass and takes up space.
What is Matter?
100
A testable conjecture that proposes an answer to the question.
What is a Hypothesis?
200
A substance diffused or suspended in the air, especially one normally liquid or solid.
What is a Vapor?
200
The simplest form of matter that has a unique set of properties.
What is an Element?
200
A process that occurs when one or more substances are changed into one or more new substances.
What is a Chemical Reaction?
200
The study of the composition of matter and the changes that matter undergoes.
What is Chemistry
200
A statement that summarizes the results of many observations and experiments and to which there are no known exceptions.
What is Scientific law?
300
A definite and constant composition — like salt or sugar.
What is a Pure Substance?
300
A physical blend of two or more components, each of which retains its own identity and properties.
What is a Mixture?
300
A substance that is present at the start of a chemical reaction.
What is a Reactant?
300
The small particles that make up all matter.
What is Microscopic?
300
A systematic and logical approach to the acquisition of knowledge.
What is Scientific method?
400
A property that depends on the amount of matter in a sample.
What is an Extensive Property?
400
A mixture in which the composition is uniform throughout the mixture.
What is a Homogeneous Mixture?
400
A solid product that forms from a reaction and settles out of a liquid mixture.
What is a Precipitate?
400
Substances and objects that can be seen, touched, and measured directly.
What is Macroscopic?
400
The variable that is changed during an experiment.
What is an Independent variable?
500
A property of matter that depends only on the type of matter in a sample and not on the amount.
What is an Intensive Property?
500
A mixture in which the composition is not uniform throughout the mixture.
What is a Heterogeneous Mixture?
500
A substance that is present at the end of a chemical reaction.
What is a Product?
500
The study of chemical processes that occur in living things.
What is Biochemistry?
500
An explanation that has been repeatedly tested and confirmed by multiple researchers and has gained wide acceptance.
What is a Theory?
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