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Ch 2: Scientific Data Collection & Analysis

About This Chapter

Learn about scientific data collection and analysis by watching the engaging video lessons in this chapter. Review the standard units of measurement used for time, weight, length, and capacity and practice solving problems with charts and graphs,

Scientific Data Collection & Analysis - Chapter Summary

The entertaining lessons in this chapter can help you brush up on gathering and interpreting scientific data. Watch these lessons to learn about tools and methods that scientists use to collect and measure evidence when working on specific problems, as well as how they summarize their findings and check their data for errors. Specific topics you will learn about include:

  • Standard units of measurement
  • Significant figures and scientific notation
  • How to evaluate data
  • The definition and uses of descriptive statistics
  • Reading and interpreting scientific graphs, tables and charts

Our lesson instructors share their extensive expertise with you on these subjects in a convenient online format. When you complete a specific lesson, you can then answer the questions in that lesson's practice quiz to see how much you have understood about that topic. When you complete all of the lessons, test your understanding of the overall subject by taking the final chapter exam. Be sure to see how much study progress you have made by using the learning tracker on your personal Dashboard.

7 Lessons in Chapter 2: Scientific Data Collection & Analysis
Test your knowledge with a 30-question chapter practice test
Standard Units of Measurement for Length, Weight, Time & Capacity

1. Standard Units of Measurement for Length, Weight, Time & Capacity

Watch this video lesson to learn how to recognize the various units of measurement for length, weight, time and volume. Learn to recognize both U.S. units and metric units.

Significant Figures and Scientific Notation

2. 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.

Evaluating Data: Precision, Accuracy & Error

3. Evaluating Data: Precision, Accuracy & Error

The data you present as a scientist needs to be as accurate, precise and error-free as possible. In this lesson, we'll discuss what each of these terms means, as well as how error is introduced into measurements and other data collection.

What Are Descriptive Statistics? - Definition and Uses

4. What Are Descriptive Statistics? - Definition and Uses

This lesson is a simple walk-through of the common types of descriptive statistics and why they are important for understanding psychological research. You will likely be familiar with many of them but some you may not be.

How to Read Scientific Graphs & Charts

5. How to Read Scientific Graphs & Charts

How do scientists summarize their findings with visual aids? In this lesson, explore the different types of tables, charts and graphs that scientists use. Learn to read these effectively as a preview to your science studies.

Interpreting Tables of Scientific Data: Practice Problems

6. Interpreting Tables of Scientific Data: Practice Problems

Complex table problems getting you down? Multi-question, situational problems don't have to be a drag on your testing performance. Learn how to apply three simple rules as we walk through two table problems together.

Interpreting Graphs and Charts of Scientific Data: Practice Problems

7. Interpreting Graphs and Charts of Scientific Data: Practice Problems

Do charts and graphs make problem-solving difficult? Complex problems with visual representations can drain your brain during a test. In this lesson, learn three simple rules for solving problems with charts and graphs. We'll try them out as we walk through two sample problems.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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Other Chapters

Other chapters within the Pennsylvania Grades 4-8 - Science Subject Concentration (5159): Practice & Study Guide course

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