The best way to make students learn a topic in science is to create a situation that prompts the learners to ask questions and helps them to seek answers. 

1. Petrol is an exhaustible natural resource and hence should be used carefully.
2. Tells about what is petrol made of and how it is extracted.
3. Demonstrate how to safely siphon petrol from one container to another.

Above mentioned steps (in sequence) belong to which domain of Bloom's Taxonomy?