2.1 concepts and theories on teaching2.2 knowledge about Scratch2.3 knowledge of Html language.2.4 knowledge of principles of designing Web pages.2.5 related research.
2.1 concepts and theories of teaching 2.2. Knowledge of the Scratch programming language Html 2.3 Knowledge of the principles of Web 2.4 knowledge about 2.5. Related Research
2.1 concepts and theories about learning.2.2 knowledge about Scratch program.2.3 knowledge about language, Html2.4 principle knowledge web page design.2.5 research.