What is Matter Made Of?
5th Grade•60 minutes
Learning Objective
I can describe how matter is made of particles too small to be seen.
Key Concepts
A human hair is about 500,000 carbon atoms thick.
Atoms are made of neutrons, protons, and electrons.
Quarks and electrons are thought to be the most fundamental components of matter.
Practice Questions
This lesson includes 12 practice questions to reinforce learning.
View questions preview
1. According to the video, what are the three elementary particles that make up an atom?
2. Describe the relative amount of empty space inside an atom, as explained in the video.
3. What two particles are considered to be fundamental components of matter, according to the video?
...and 9 more questions
Educational Video
How Small Is An Atom? Spoiler: Very Small.
Kurzgesagt – In a Nutshell