Chemistry Chapter 1 Study Guide
What is an Experiment
A method for collecting data to evaluate a hypothesis
What is a Hypothesis
A possible explanation for a problem or a question
What is a Theory
A summary of observation
Describe the difference between Natural Law and Theory
A theory can be changed due to reasoning and natural law is based on facts
What is Natural Law
An explanation that has stood up to much testing and investigation
What is an Observation
Noting a measurement or quality of some new substance or process
What is the Scientific Method
Process used to make and explain discoveries and to solve problems
What is Chemestry
Science that deals with the matter of the universe and the changes they undergo
What is a Measurement
Something that involves a Unit and a Number
What is an example of a quantitative observation
The object has a mass of 2.3 grams
What substance is to be believed to be the reason the ozone layer has a hole
cholorfluorocarbons (CFC's)
What are some careers that involve chemistry
engineer, beautician, farmer,
Careful procedures used to make observations of an event by changing the factors that might influence the event are called...
experements
What is an example of a microscopic property
number of atoms in a molecule
What is an example of a chemical change
wood burning, an egg cooking, food being digested