A set of free and printable **HR diagram worksheets** are available here! These Hertzsprung-Russell diagram worksheets have multiple questions to help you understand and interpret information about stars. Using these diagram worksheets, try to explain the surface temperature and color as well as brightness and size. We also provided an answer key to help you review your answers.

# Feynman Diagrams Subatomic Particles

Looking for some examples of **Feynman diagrams** to use in your physics class or study? We have a collection of the diagrams below in printable quality. In theoretical physics, Feynman diagrams are pictorial representations of the mathematical expressions describing the behavior of subatomic particles. The scheme is named after its inventor, American physicist Richard Feynman, and was first introduced in 1948. Let’s check out the first example of the diagram below.

# Euler Diagrams Example

This diagram may look similar to the Venn diagram, but they are totally different. A Euler diagram is a graphic depiction commonly used to illustrate the relationships between sets or groups. This kind of diagram is usually drawn with circles or ovals, although they can also use other shapes. To understand more about the **Euler diagram**, take a tour and look at the following examples of the diagrams.

# Data Flow Diagram Visio

Printable **Data Flow Diagram Visio** examples are available in this page for you who are studying the data flowchart scheme. You can use a data flow diagram in Visio to document the logical flow of data through a set of processes or procedures. We have the examples in the following images below so that you’ll get a brief overview of how the diagram looks like.

# Euglena Diagrams Labeled

Provided here is a collection of **Euglena Diagrams** labeled to help you learn the structures and parts of a Euglena for your test, quiz, or biology class. Euglena is single-celled organisms that belong to the genus protest, and neither plants, animal or fungi. Browse the diagrams in the following images.