Grade 6 Physics

Physics 6 Lesson 30: Summary of Chapter 2 Thermodynamics 1. Summary of theory Tóm 1.1. Review questions a. How does the volume of substances change as the temperature increases and when the temperature decreases? b. Which of the solids, liquids, and gases expands the most with heat and which expands with the least? c. Can you find an example … [Read more...] about Physics 6 Lesson 30: Summary of Chapter 2 Thermodynamics

Physics 6 Lesson 29: Boiling (continued) 1. Summary of theory Tóm 1.1. Melting point - Answer the question C1: At what temperature begins to appear air bubbles at the bottom of the jar? C2: At what temperature begins to see air bubbles separate from the bottom of the flask and go to the surface of the water? C3: At what temperature occurs … [Read more...] about Physics 6 Lesson 29: Boiling (continued)

Physics 6 Lesson 28: Boiling 1. Summary of theory Tóm 2.1. Boiling Experiment a) Conduct experiments b) Observe the phenomenon - On the water: I. There is little steam rising up II. The surface of the water began to stir III. The surface of the water began to shake violently, and the steam rose a lot. - In the … [Read more...] about Physics 6 Lesson 28: Boiling

Physics 6 Lesson 27: Evaporation and Condensation (continued) 1. Summary of theory Tóm 1.1. What is condensation? Condensation is the change from a vapor to a liquid. - Eg: When standing in front of the mirror and blowing a long breath into the mirror, we see an opaque patch on the mirror. The opacity is the water vapor in our breath that … [Read more...] about Physics 6 Lesson 27: Evaporation and Condensation (continued)

Physics 6 Lesson 26: Evaporation and Condensation 1. Summary of theory Tóm 1.1. Define. - The change from liquid to vapor is called evaporation. + Example Clothes after washing are dried. Wipe the board wet, after a while the water evaporates all the board will dry. The ink dries after writing. Liquor stored in an unopened bottle … [Read more...] about Physics 6 Lesson 26: Evaporation and Condensation

Physics 6 Lesson 25: Melting and freezing (continued) 1. Summary of theory Tóm 1.1. What is solidification? Freezing is the change from liquid to solid. 1.2. Relationship between melting and freezing - If we represent two processes on the same coordinates, we see that they are symmetrical: A substance that melts at any temperature will … [Read more...] about Physics 6 Lesson 25: Melting and freezing (continued)

Physics 6 Lesson 24: Melting and freezing 1. Summary of theory Tóm 1.1. Melting The change of a substance from a solid to a liquid is called melting + Example: Initially, when unlit, the candle is solid. When lighting a candle, the part at the top of the candle that comes into contact with the hot flame turns into a liquid. 1.2. Features of … [Read more...] about Physics 6 Lesson 24: Melting and freezing

Physics 6 Lesson 23: Practice: measuring temperature 1. Summary of theory Tóm 1.1. Experiment purpose Knowledge: Know how to use a medical thermometer to measure human body temperature according to the correct procedure. Skill: Make a table to track the temperature change of an object over time. Thought: Have an honest, meticulous, careful and … [Read more...] about Physics 6 Lesson 23: Practice: measuring temperature

Physics 6 Lesson 22: Thermometer- Thermometer 1. Summary of theory Tóm 1.1. Thermometer a) What is a thermometer used for? To measure temperature, a thermometer is used. b) Structure and working principle of the thermometer Structure: Liquid container, tube, graduated scale. Thermometers commonly used work on the phenomenon of thermal … [Read more...] about Physics 6 Lesson 22: Thermometer- Thermometer

Physics 6 Lesson 21: Some applications of thermal expansion 1. Summary of theory Tóm 1.1. Force occurs in thermal expansion a) Experimental observation - Experiment 1: + Use alcohol soaked cotton to heat the steel bar installed on the rack and block the horizontal pin + Comments: After the steel bar is heated, the steel … [Read more...] about Physics 6 Lesson 21: Some applications of thermal expansion