发表于2024-11-20
Sound 2024 pdf epub mobi 电子书
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In this new series, objects and examples from everyday life show real-world applications of scientific principles. These principles are investigated through the scientific process: form a hypothesis, design an experiment, conduct the experiment, and draw conclusions. There are also demonstrations and activities to address the reader's curiosity about how things work.
Sound 2024 pdf epub mobi 电子书