Question

what is a matter?
what is the science?

Answer 1

Hello!

Here is your answer!
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What is a matter?

Well, Matter is nothing but  a substance that has inertia and occupies physical space. According to modern physics, matter consists of various types of particles, each with mass and size.

What is science?

Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe.

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Hope it helps!

Answer 2

Science is the field of giving rigorous answers, but ironically the definition of "science" is itself not rigorous.

Science is:

Processes for creating models for reliable prediction and control of the natural world;

Models created using those processes; and  

Application of those models.