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Introduction to Chemistry




 
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More Lessons for High School Chemistry

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A series of free High School Chemistry Video Lessons.

In this lesson, we will learn

  • The Definition of Chemistry
  • The Steps of the Scientific Method
  • Dimensional Analysis


Chemistry Definition
Chemistry can be broadly defined as the study of matter and the changes that it undergoes. In Chemistry there are several different branches including organic chemistry, inorganic chemistry, physical chemistry, analytical chemistry and biochemistry.
What is Chemistry?
A basic definition of chemistry.



Scientific Method Steps
The scientific method is a set of guidelines for scientific investigation. It helps us approach all scientific experiments and inquiries methodically and scientifically in order to avoid jumping to conclusions or missing links in a logical chain. The five steps of the scientific method include 1) defining the problem 2) making observations, 3) forming a hypothesis, 4) conducting an experiment and 5) drawing conclusions.
A brief description of the scientific method.
The 5 steps of the scientific method.


 
Dimensional Analysis
Dimensional analysis, also called the factor/label method, is a method for converting between units using ratios between different unit systems.
How to use dimensional analysis to convert units in chemistry problems.


Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway widget below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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