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The_________ of penicillin is very useful because it has saved lots of lives.

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The scientific method is a way to ask and answer scientific questions by making ____and doing experiments.

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My brother is very good at natural_______ subjects such as Chemistry and Physics.

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With the advance of the science and technology, our life changes greatly in various _________.

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While scientists study how nature works, engineers ____new things, such as Products, websites environments, and experiences.

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Little Pascal ___________ a mechanical calculator which could do additions or subtractions very quickly.

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In Science, you should repeat your___ several times to make sure that the first results weren’t just an accident.

Chọn từ đồng nghĩa với từ được in đậm

Scientific progress brings us many conveniences and advanced machines, such as computers, automobiles, and so on.