Holt, Rinehart & Winston
HM2 CH14
Modern Biology
Chapter 14: Origin of Life
Welcome to Modern Biology. Chapter 14 explores how life on earth may have begun. It also looks at experiments showed that all living things come from other living things. Use the links below to find learning tools that will help you review the chapter and extend your study of the origins of life.
Review and Practice
Reading Skills: K-W-L
This worksheet will help you organize your thoughts before and after you read the chapter or an article.
Glossary: Chapter 14
Use this handy list of terms to help you understand the new vocabulary in this chapter.
Quick Lab: How Can You Model Radioactive Decay?
Use some dried corn, a box, and a watch to make a model of radioactive decay that will show you how scientists measure the age of objects.
Homework Help: Chapter 14 Study Guide
Do you understand the vocabulary and concepts in this chapter? Select one of the sections listed below for a worksheet that guides you through the important points to know.
Section 14.1 || Section 14.2 || Section 14.3

Quiz Yourself: Origin of Life
Click here to test your knowledge of Earth's history and biogenesis.
Teacher Notes

Enrichment and Extension
Online Research: SciLinks
Visit NSTA's SciLinks Web site, which links you to some of the most up-to-date science information on the Internet. When you get to the site, log in, and then enter a keyword for the topic you want to research. The topic and keyword for Chapter 14 are listed below.
TOPIC: Radioactive Dating
SciLinks CODE: HM266

Physics Link: Visible Light and the Atmosphere
Why is the sky blue? Click here to find an answer to this age-old question.
Society: Living on the Mid-Atlantic Ridge
Click here to find out why Iceland is such a hot spot for geological activity.
Technology Note: Advance in Uranium-Lead Dating
Click here to read about how scientists are using tiny amounts of radioactive rocks to find out when the Earth’s crust formed.
Research Note: Why Endosymbiosis?
Do you have cells inside your cells? Find out how some of the important organelles inside your cells may have originated.
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