প্রাথমিক ১ - উপাদান এবং ধারণা

a shiny grayish-white metal of high value that heat and electricity can move through it and is used in jewelry making, electronics, etc.

সোনালী

a hard material, usually made of minerals, and often used for building things

পাথর, শিলা

a sample, showing what the rest of the data is typically like

উদাহরণ

something such as a hammer, saw, etc. that is held in the hand and used for a specific job

সরঞ্জাম, যন্ত্র

something that is known to be true or real, especially when it can be proved

তথ্য, বাস্তবতা

scientific knowledge put into practice in a particular area, especially in industry

প্রযুক্তি

anything that we can hear

শব্দ, শোর

a place where people do scientific experiments, manufacture drugs, etc.

ল্যাবরেটরি

a mild feeling of shock we have when something unusual happens

আশ্চর্য, অফসেট

made of a hard material that forms the branches and trunks of trees

গাছের, কাঠের

a light substance produced in a chemical process that can be formed into different shapes when heated

প্লাস্টিক

a valuable yellow-colored metal that is used for making jewelry

সোনার