Chapter 2. The Structure of Matter.
Physics, grade 7. Gendenshtein L.E., Kaidalov A.B. textbook, 2012
Contents
- Chapter 1. Physics and the physical methods of studying nature.
-
Chapter 2. The structure of matter.
- 5. Atoms and molecules.
- Sizes of molecules and atoms.
- 6. Motion and interaction of molecules.
- Brownian motion.
- 5. Atoms and molecules.
- Chapter 3. Motion and interaction of bodies.
-
Chapter 5. Work and energy
- 24 Simple mechanisms
- Centre of gravity
- 24.1 Pulleys
- 25. Lever
- 26. Mechanical work. Power.
- 28. Mechanical energy.
- 24 Simple mechanisms
Chapter 2. The Structure of Matter.
§5. Atoms and Molecules.
Page 36.
5.1. Atoms.
5.2. Molecules.
Page 37.
5.3. Sizes of atoms and molecules.
Page 38.
The "Powers of ten" video is useful for getting a sense of sizes in the micro- and macro-world.
A new version of the "Powers of ten" video
The scale division is only mentioned; material from Peryoshkin should be added, an example calculation given, and problems provided for independent solving.
5.4. Is the atom really indivisible. Page 39.
5.5. Which atoms are the most common. Page 40.
5.6. "Living" molecules.
§6. Motion and Interaction of Molecules.
Page 42.
6.1. Motion of molecules.
Brownian motion.
A model of Brownian motion
Diffusion
Physics, grade 7. Gendenshtein L.E., Kaidalov A.B. textbook, 2012
Contents
- Chapter 1. Physics and the physical methods of studying nature.
-
Chapter 2. The structure of matter.
- 5. Atoms and molecules.
- Sizes of molecules and atoms.
- 6. Motion and interaction of molecules.
- Brownian motion.
- 5. Atoms and molecules.
- Chapter 3. Motion and interaction of bodies.
-
Chapter 5. Work and energy
- 24 Simple mechanisms
- Centre of gravity
- 24.1 Pulleys
- 25. Lever
- 26. Mechanical work. Power.
- 28. Mechanical energy.
- 24 Simple mechanisms
Useful links
YouTube channels
Article author: Andrei Olegovich