NASA
Is It Alive?
Determining whether or not something is living can be more difficult than it seems. Put your young scientists to work defining their own criteria to identify life, then work with three samples to see if they are alive or not.
Biology Junction
Characteristics of Life
This is an extensive resource that focuses on the characteristics of life. Scientists read a series of short passages, highlighting main ideas and answering comprehension questions as they go. After they have completed the reading,...
Curated OER
What is Life? Demonstrations & Discussion
Display seven items for your biologists to consider. Are they living or non-living? How can you tell? This is a simple outline of what you can display and questions that can be discussed as this topic is explored. One way to use this...
Curated OER
Testing for Life
Students test for organic molecules to determine if a solution contains once living molecules. In this characteristics of life lesson, students test common liquids for the presence of organic molecules, including starch, protein, and...
Curated OER
Are Viruses Alive: Sample Socratic Questions
Students comprehend the definition and uniqueness of life and its complexities. They examine what characteristics constitute a living organism. Students recognize the extent of the role viruses play in the movement and molding of life as...
Curated OER
Chapter 1 Guided Notes: The Science of Biology
Specifically designed as a textbook reading guide, this worksheet may not apply to your biology course. It asks participants to list characteristics of life and the hierarchical organization levels. It vaguely deals with scientific...