Fill in each blank with the correct word from the lesson.

1. Boiling is fast, happens only at _______, and converts the WHOLE liquid into vapour.
2. _______ happens at one specific temperature.
3. How is it different from _______?
4. Evaporation is slow, happens at any _______, only at the surface.
5. Boiling is an important topic in _______.

Choose the best option for each question.

1. At what temperature does water boil?
   a) 50°Cb) 100°Cc) 0°Cd) 200°C
2. What's the BIG difference between boiling and evaporation?
   a) Boiling needs saltb) Evaporation makes icec) Boiling happens at one specific temperature; evaporation happens at any temperatured) There is no difference
3. Why are bubbles seen in boiling water?
   a) Air being pushed inb) Pockets of water vapour forming inside the liquidc) Soap left behindd) Just for show

Write T for True or F for False in the brackets.

1. Boiling is fast, happens only at 100°C, and converts the WHOLE liquid into vapour.
2. Boiling is fast, happens only at 50°C, and converts the WHOLE liquid into vapour.
3. Boiling happens at one specific temperature; evaporation happens at any temperature is one of the key concepts in the lesson on Boiling.
4. Boiling needs salt is the main topic of this lesson.

1. In your own words, explain what Boiling means.
2. List two things you learned from this lesson on Boiling.