a living thing such as a plant, animal, etc., especially a very small one that lives on its own
生き物
the state of a substance that is firm and has a certain shape, not like gas or liquid
a usually solid and hard substance that heat and electricity can move through, such as gold, iron, etc.
金属
a light substance produced in a chemical process that can be formed into different shapes when heated
プラスチック
a metallic chemical element with a silvery-gray appearance, widely used for making tools, steel, buildings, and various industrial products
鉄
a shiny grayish-white metal of high value that heat and electricity can move through it and is used in jewelry making, electronics, etc.
銀
a chemical element in gas form with no color that living things need for breathing
酸素
to study a subject carefully and systematically to discover new facts or information about it
研究する
a specific way or process of doing something, particularly an established or systematic one
方法
to be the first person who finds something or someplace that others did not know about
何かを発見する
something such as a hammer, saw, etc. that is held in the hand and used for a specific job
ツール
scientific knowledge put into practice in a particular area, especially in industry
技術
the act of directing your attention and energy toward a particular thing or task
誰かまたは何かに焦点を当てる
a round object attached to a vehicle from its center, which allows a person can move the vehicle in different directions
ホイール