| Category | Format | Size |
|---|---|---|
| Hunan Education Edition Fifth Grade Science Volume 1 | pptx | 6 MB |
"Conjectures and Hypotheses" PPT
Description
Hunan Education Edition fifth grade science, conjectures and assumptions PPT
Part One: Examples from Life
Give a few examples of doubts in your life. How did you deal with them?
In the face of magical natural phenomena, scientists have had doubts just like us, and they always want to find out the answers to the questions. When scientists seek answers to questions, they often start with conjectures and assumptions.
Newton often made bold conjectures and in-depth explorations of phenomena that people took for granted.
Why do apples always fall to the ground instead of flying into the sky? What force makes the moon always rotate around the earth?
Newton's conjecture 1: It may be that the earth exerts a downward pull on the apple.
Newton's conjecture 2: The force that pulls the moon so that it cannot escape from the earth and the force that pulls the object to make it fall to the ground may be the same force.
Keywords: Hunan Education Edition fifth grade science PPT courseware free download, conjecture and hypothesis PPT download, .PPT format;
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Update Time: 2024-07-06
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