主要贊助單位
Makes grants to address the most serious social and environmental problems facing society, where risk capital, responsibly invested, may make a difference over time.
National Science Foundation
An independent federal agency created by Congress in 1950 to promote the progress of science.
King Saud University seeks to become a leader in educational and technological innovation, scientific discovery and creativity through fostering an atmosphere of intellectual inspiration and partnership for the prosperity of society.
The O'Donnell Foundation is devoted to building model programs to enhance the quality of education.
Density 密度
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為何木頭會浮在水上？ 是跟物體大小有關嗎？ 您可以自行設計物體，用來探索質量、體積對密度的影響。 您可以發現它們之間的關係嗎？您可以使用磅秤量物體的重量，然後將物體放到水裏以測量其體積。您可以推算出所有未知物體的密度嗎？ 翻譯者： 江易原 (2010) 
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教學資源
主要課程
- 密度
- Mass
- Volume
學習目標
- Describe how the concept of density relates to an object's mass and volume.
- Explain how objects of similar mass can have differing volume, and how objects of similar volume can have differing mass.
- Explain why changing an object's mass or volume does not affect its density (ie, understand density as an intensive property).
- Measure the volume of an object by observing the amount of fluid it displaces.
- Identify an unknown material by calculating its density and comparing to a table of known densities.
老師的小技巧
老師的小技巧 (pdf) 亦包含由 PhET 團隊所提出的小技巧
教學點子
| 標題 | 作者 | 等級 | 種類 | 更新的 |
|---|---|---|---|---|
| Εργαστήριο Πυκνότητας | Ιωάννης Λεύκος | K-5 | 實驗室 | 2012/10/9 |
Density Lesson (with Putty Lab)
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UTeach Middle School PhET Team | 國中 | 實驗室 | 2012/6/22 |
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Relative Density - sink or float
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Jackie Esler | 國中 | 作業 實驗室 |
2011/10/4 |
Density: How Does Density Relate to Mass &Volume and an Object's Interaction with Water?
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Patricia Loeblein | 高中 大學-簡介 |
作業 概念問題 實驗室 |
2012/8/29 |
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Density-introduction
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Katherine Perkins, Christine Denison | 國中 高中 |
概念問題 展示 實驗室 |
2010/10/19 |
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Density and Buoyancy
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Milton Johnson | 國中 高中 |
作業 實驗室 |
2010/10/18 |
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Algebra-based Physics Semester one lessons, clicker questions, and schedule in pdf (Inquiry Based)
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Trish Loeblein | 高中 大學-簡介 |
實驗室 展示 概念問題 作業 |
2012/8/29 |
| Density-MS | Tamara Sneed | 國中 | 其它 | 2011/11/27 |
| Density and Buoyant Force PhET Lab | Chris Bires | 大學-簡介 高中 |
實驗室 | 2011/2/8 |
| 밀도 SIM 사용지침서 | 이화국(Wha Kuk Lee) | K-5 國中 |
實驗室 展示 |
2013/5/9 |
您可以 登錄您的點子或是活動
相關的模擬教學
翻譯版本：
軟體需求
| Windows | Macintosh | Linux |
|---|---|---|
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Microsoft Windows
XP/Vista/7 Macromedia Flash 9 or later |
OS 10.5 or later
Macromedia Flash 9 or later |
Macromedia Flash 9 or later |
榮譽榜
| 設計團隊 | 第三方諮詢 | 感謝 |
|---|---|---|
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