Last times questions:
- the energy contained within a system that is responsible to its temperature = thermal energy
- when matter changes from one state to another = phase change
- the transfer of thermal energy from a region of higher temperature to a region of lower temperature = heat
Todays questions: Find the vocabulary words for the definitions. Fill in the blanks on the picture
- solid→liquid
- the temperature at which melting occurs
- liquid→solid
- the temperature at which freezing occurs
- liquid→gas
- the gaseous state of a substance
- gas→liquid
- solid→gas
- Temperature is the transferring of thermal energy, while heat is how hot or
- cold an object is. a. True b. False
- When temperature increase, what also increases? -a. number of electrons -b. atomic mass -c. speed of particles -d. amount of atoms
- 3. When thermal energy increase, what also increases? -a. phase change -b. temperature -c. heat -d. amount of particles
- 4. Which of the following does NOT decreases during the process of freezing? -a. particle speed -b. thermal energy -c. temperature -d. amount of particles
