About This Chapter
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- Start at the beginning, or identify the topics that you need help with.
- Watch and learn from fun videos, reviewing as needed.
- Refer to the video transcripts to reinforce your learning.
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- Submit questions to one of our instructors for personalized support if you need extra help.
- Verify you're ready by completing the Fundamentals of Analytical Chemistry chapter exam.
Why it works:
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Students will review:
In this chapter, you'll learn the answer to questions including:
- What are the steps in the scientific method?
- How do I develop a scientific hypothesis?
- What's involved in experiment design?
- How do I choose the right sampling technique?
- What types of statistics could I use to interpret experiment results?
- How do I convert units in the metric system?
- What kinds of supplies are found in a chemistry lab?
- How do I use scientific notation?
- What are some common lab safety rules?
1. The Scientific Method: Steps, Terms & Examples
The scientific method is more than just hypotheses and experiments. In this lesson, we'll explore the themes and variations that make up the world of science.
2. Experimental Design in Science: Definition & Method
What are the requirements of a scientific experiment? How do scientists turn hypotheses into theories and laws? Learn the answers to these questions and more in this lesson on the design of scientific experiments.
3. Developing a Scientific Hypothesis
This video describes how to create a hypothesis and includes the three main things needed to create a strong hypothesis. You'll learn how to make a clear statement that can be both tested and measured.
4. Statistical Analysis: Using Data to Find Trends and Examine Relationships
Many different organizations use statistical analysis to describe and analyze data and to predict future trends. Learn about the different types of statistics in this video lesson.
5. Sampling Techniques In Scientific Investigations
We can learn a lot by gathering information from a small subset of a larger group. By sampling this smaller group, scientists can save time and money while still gaining a good understanding of the population as a whole.
6. 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.
7. Understanding Laboratory Measurements: Units & Types
There are many different units that can be used for measurements. This may not only lead to incorrect data measurements, but also to confusion about which units are most appropriate. Therefore, a standard set of units is used for each type of measurement in the biology lab.
8. 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.
9. 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.
10. Laboratory Safety Techniques: Protecting People and Equipment
Laboratory safety is not fun, but following the rules ensures that lab activities can be enjoyed by everyone. In this lesson, we cover some basic lab safety rules to follow that will help lab time be both safe and fun.
11. What is Scanning Electron Microscopy? - Theory & Applications
In this lesson we'll explore how scanning electron microscopes works. You'll also learn why you might want to use a scanning electron microscope instead of a standard optical microscope and see some practical uses for scanning electron microscopes.
12. Scanning Electron Microscopy: Instrumentation & Analysis
This lesson will teach you how a scanning electron microscope works by breaking the instrument down into several sections, and going over what each one does. Then you'll explore what makes this special type of microscope useful by going over some of the main types of analysis it can do.
13. Transmission Electron Microscopy: Theory & Applications
A transmission electron microscope is an instrument used to create high magnification images of the internal structure of a sample being studied. In this lesson you will learn how the microscope is able to do this, and discover several applications for which it is useful.
14. Sampling Methods in Analytical Chemistry
This lesson is an introduction to the sampling methods using in analytical chemistry. Different sampling methods of homogeneous and heterogeneous materials are discussed.
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