intellectual and practical activity encompassing systematic study of structure and behaviour of physical and natural world.

action of one object striking another. Acts or forces of one thing hitting something else. To hit or strike someone or something with force.

on fire. When something is burnt by fire. To overcook food with too much heat it goes black.

In a complete way; completely; absolutely.

Not of the same kind; unlike other things.

used especially at the beginning of a sentence to introduce the last point or idea.

degree or intensity of heat present in substance or object. How hot or cold some things are e.g. the weather.

Changing to a new form; thing that is changed.

Typical weather conditions in a particular place.

example of improving or being improved. Additions or changes that make something better.

One more, but not this. One more added. additional person or thing of same type.

Conclusion, opinion formed after due consideration.

action of reducing severity, seriousness, or painfulness of something.

not including needless details or formalities. Shorter statement of the most important parts.

For a reason.