Exercise 1: Fill in the blanks with the correct form of the verbs.

1. If you heat ice, it melts.
2. If children eat too many candies, they gain weight.
3. Do you get wet if it rains?
4. When the sun sets, it gets dark.
5. If water reaches 100°C, it boils.
6. If I do not want to cook, I order a takeaway.