Plasma
Plasma is one of the four fundamental states of matter, along with solid, liquid, and gas. It is a state of matter in which the atoms are stripped of their electrons and the nuclei and electrons exist separately. This results in a highly ionized gas consisting of positive ions and free electrons.
Characteristics of Plasma:
- Highly ionized gas
- Consists of positive ions and free electrons
- Electrically conductive
- Responsive to electromagnetic fields
- Does not have a definite shape or volume
Examples of Plasma:
Plasma is commonly found in stars, including the Sun. It is also present in lightning, neon lights, and some types of flames.
Study Guide:
As you study plasma, here are some key points to focus on:
- What is plasma and how does it differ from the other states of matter?
- What are the characteristics of plasma?
- Where can plasma be found in nature and in human-made applications?
- How is plasma important in the study of astrophysics and fusion energy?
◂Science Worksheets and Study Guides Third Grade. Relationships among living things
Study Guide
Relationships among living things 
Activity Lesson
Relationships Among Living Things Worksheet/Answer key
Relationships among living things Worksheet/Answer key
Relationships among living things Worksheet/Answer key
Relationships among living things Worksheet/Answer key
Relationships among living things Vocabulary/Answer key
Relationships among living things Vocabulary/Answer key
Relationships among living things
Activity LessonWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyVocabulary/Answer keyVocabulary/Answer keyThe resources above cover the following skills:
LIFE SCIENCE
From Molecules to Organisms: Structures and Processes
Create representations to explain the unique and diverse life cycles of organisms other than humans (e.g., flowering plants, frogs, butterflies), including commonalities such as birth, growth, reproduction, and death.
Unity and Diversity
Construct an argument from evidence to explain the likelihood of an organism’s ability to survive when compared to the resources in a certain habitat (e.g., freshwater organisms survive well, less well, or not at all in saltwater; desert organisms survive well, less well, or not at all in woodlands).
Create models that illustrate how organisms and their habitats make up a system in which the parts depend on each other.