Lesson: Positrons Physics • 9th Grade

In this lesson, we will learn how to describe the properties of positrons, the differences between positrons and electrons, and the differences between matter and antimatter.

Lesson Video

Sample Question Videos

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Lesson Worksheet

Q1:

The diagram shows an electron and a positron colliding. The two particles are destroyed and a high-energy photon is created. What is the name given to this process?

Q2:

Which of the following statements correctly describe the similarities and differences between electrons and positrons?

Electrons and positrons have different masses.
Electrons and positrons have opposite electric charges.
Electrons and positrons have the same mass.
Electrons and positrons have the same electric charge.

Q3:

What particle is the antiparticle of the electron?