Chapter 1 Flashcards
Define chemistry
The study of the composition, structure, properties, and reactions of matter
What are substances?
Another word for chemicals
What is the scientific method?
later
What are place values?
lateer
What are positive numbers?
later
What are negative numbers?
later
What are percentages?
later
What is an example of scientific notation?
later
Define chemical
A substance that has the same composition and properties wherever it is found
Define conclusion
An explanation of an observation that has been validated by repeated experiments that support a hypothesis
Define experiment
A procedure that tests the validity of a hypothesis
Define observation
Information determined by noting and recording a natural phenomenon
Define scientific method
The process of making observations, proposing a hypothesis, and testing the hypothesis; after repeated experiments that validate the hypothesis, it may become a theory
Define scientific notation
A form of writing large and small numbers using a coefficient that is at least 1 but less than 10, followed by a power of 10
Define theory
An explanation for an observation supported by additional experiments that confirm the hypothesis
