Readers encounter answers in action as real-world objects and example are used to demonstrate 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 activities to address the reader's curiosity about how things work.
發表於2024-12-04
Sound 2024 pdf epub mobi 電子書 下載
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Sound 2024 pdf epub mobi 電子書 下載