About This Chapter
Experimental Chemistry and Intro to Matter
To jump-start your lessons in experimental chemistry, you'll take a look at videos that discuss the metric system, significant figures and scientific notation. Units for length, mass, time, volume and density will be taught. While becoming familiar with these units, you'll learn how to convert them and report the proper measurements. Additionally, our lessons will teach you how to use the right number of significant figures when you make calculations. You'll learn how to report your answers using the correct scientific notation.
As the lessons proceed, you'll move out of calculations and units of measurements and into the laboratory. Find out what types of lab equipment are used and learn the proper way to use each piece. You'll look at supplies, glassware and more in order to discover the different things you'll have to employ in the lab as you explore chemistry.
Once you've become familiar with the equipment in the lab, you'll begin to study ways to use that equipment. In our lessons you'll take a look at matter and define the physical and chemical properties that classify each type. You'll also study matter's various states. You'll examine the difference between chemical and physical changes in matter, so you can easily identify those changes. You'll then finish up by watching our lesson on the methods of separating mixtures. Get schooled on which method you'll want to use to separate different types.
1. The Metric System: Units and Conversion
Just like you and your friend communicate using the same language, scientists all over the world need to use the same language when reporting the measurements they make. This language is called the metric system. In this lesson we will cover the metric units for length, mass, volume, density and temperature, and also discuss how to convert among them.
2. Unit Conversion and Dimensional Analysis
How is solving a chemistry problem like playing dominoes? Watch this lesson to find out how you can use your domino skills to solve almost any chemistry problem.
3. Significant Figures and Scientific Notation
Are 7.5 grams and 7.50 grams the same? How do scientists represent very large and very small quantities? Find out the answers to these questions in this video.
4. Chemistry Lab Equipment: Supplies, Glassware & More
When you bake a cake, you use different tools for each step in the process: a bowl for mixing, cups for measuring ingredients and an oven for baking. In this lesson, you will discover the name and purpose of many of the different tools that are used in the chemistry lab.
5. Matter: Physical and Chemical Properties
How are substances identified? There are two major ways we can describe a substance: physical properties and chemical properties. Learn about how chemists use properties to classify matter as either a mixture or a pure substance.
6. States of Matter and Chemical Versus Physical Changes to Matter
The world around us is constantly changing. Chemists put those changes into two main categories: physical changes and chemical changes. This lesson will define and provide examples of each.
7. Chromatography, Distillation and Filtration: Methods of Separating Mixtures
What are some ways that mixtures can be separated? Watch this video to explore several examples of ways you can separate a mixture into its individual components.
8. What is Condensation? - Definition & Examples
Condensation is the process of a substance in a gaseous state transforming into a liquid state. This change is caused by a change in pressure and temperature of the substance. In this lesson, you will learn about some examples and test your knowledge with a short quiz.
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