- 複習考正確答案與說明(等複習考結束後,會公佈於此)
- 複習考週:4/16(c301、c303、c304、c306)~4/17(c302、c305)
- 第2單元小評量(寓教於樂)
- [114]第2單元習作參考答案
- 滴滴的神奇變身旅行:水的三態大冒險漫畫電子書
(開啟新視窗後,請點選右上方"朗讀"按鈕即會自動翻頁播放) - Naia’s Magical Changes:the three states of water (solid, liquid, gas) that change with different temperatures comic ebook.
- (After opening a new window, please click the "Read Aloud" button in the upper right corner to automatically turn the page and play the audio.)
- 水的三態變化和常見誤解圖解中英文版(如下圖)
- [114]第2單元溫度變化對物質影響重點整理
[114]Key Points Summary: Effects of Temperature Changes on Substances (Unit 2)
吳老師自然小教室
2026年3月30日 星期一
[114]第2單元學習中英文版資料總整理
[114]Key Points Summary: Effects of Temperature Changes on Substances (Unit 2)
Unit 2: Activity 1: What factors affect material changes
Substances may change due to external factors such as air, water, and temperature, some change quickly, some slower, and remain stable after long-term action.
The speed of change in matter is faster The phenomenon of change in matter is slower
For example, ice cubes turn into water, cut apples change color, chocolate becomes soft, wood burns, fresh milk spoils at room temperature, etc. For example, rocks change shape, blades or nails rust, old books or paper turn yellow, bicycles rust, etc.
Exposure to the sun, rubbing hands, using electric heaters, and starting fires can generate heat and raise the temperature.
In addition to physical sensations, using a thermometer can accurately determine temperature changes.
[114]第2單元溫度變化對物質影響重點整理
單元二活動一什麼因素會影響物質變化
1.
物質受空氣、水、溫度等外在因素影響,可能會改變,有些改變快,有些則比較慢,經過長時間的作用後會維持穩定的情形。
|
物質變化現象的速度較快 |
物質變化現象的速度較慢 |
|
例如冰塊變成水、切開的蘋果變色、巧克力變軟、木材燃燒、鮮乳在室溫下變質腐壞等。 |
例如岩石改變形狀、刀片或鐵釘生鏽、舊書或舊紙張變黃、腳踏車生鏽等。 |
2.
晒太陽、雙手摩擦、使用電暖器、生火等方式都能產生熱,讓溫度升高。