Lecture 11 – Light and Matter, Part 1/2
Summary / Checklist of the Main Concepts to Understand and Remember

Nature of Light  
red bullet Diffraction: What is it, and how does it show that light is made of waves?  
Interference: What is it, and how does it show that light is made of waves?  
What kinds of waves is light made of? (What is it that oscillates in a light wave?)  
red bullet What is the difference between red light, yellow light, blue light? What is white light?  
What other electromagnetic waves are there, besides visible light?  
What do we mean by the wavelength and the frequency of a wave?  
     
Structure of Matter  
red bullet What are atoms? What particles are atoms made of?  
red bullet What makes the particles in an atom stay close together? Where are the different kinds of particles in an atom located?  
red bullet What are the two simplest types of atoms (one proton, and two protons in the nucleus)?  
red bullet What do we mean by an ion? What do we mean by a molecule?  
When the temperature of matter (gas, fluid or solid) changes, what happens to the atoms inside it?  
What is the absolute temperature scale, and what is the lowest possible temperature that can be reached?  
     
     

Topics from the lecture page and textbook not listed above [or between square brackets] were not covered in class;
Underlined words indicate that I will expect students to remember a number or a name related to that topic.

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