目前分類:國小四、五、六年級英語(進階版) (57)
- Sep 11 Mon 2017 13:33
自然科學5 1.1 天氣預告與水循環
- Aug 31 Thu 2017 17:35
用英語談運動及棒球(進階版)
- Jun 25 Sun 2017 22:20
省電燈泡 / 畜牧業自動化
燈泡發明歷史以及畜牧業乳牛自動化擠奶設備等相關影片
- Jun 19 Mon 2017 18:34
太空科技與生活/ 恐龍滅亡
- Jun 15 Thu 2017 21:42
spacesuits / Gaia Hypothesis
- Jun 14 Wed 2017 17:04
Why are dams built, and how do they work?
- Jun 12 Mon 2017 00:34
Planet Atmospheres in Solar System /Hubble Telescope
- Jun 09 Fri 2017 01:45
aluminum / cloud in a bottle
- Jun 05 Mon 2017 19:14
Underground farmers / Nature's Ice Cubes
- May 31 Wed 2017 18:33
Mocroscopic Marvels / Swamp Life
- May 28 Sun 2017 18:51
(生物界)moult (molt)指的是什麼?
- May 23 Tue 2017 16:28
Ready to Eat / Platypus / NOCTURNAL ANIMALS
肉食動物、草食動物,用英文如何表達?
有毒、鴨嘴、會下蛋、卻又是哺乳類,到底是何種怪生物?
- May 20 Sat 2017 23:41
Full of air / Charles Goodyear
吹氣球何必那麼費勁呢?有趣的實驗。
誰讓橡膠變得更實用。
- Mar 27 Mon 2017 02:47
The Nature of Light
- Mar 22 Wed 2017 19:12
What is an electrical circuit?
- Mar 21 Tue 2017 00:46
元素週期表(英文版)
- Mar 18 Sat 2017 23:42
what is fire?
- Mar 17 Fri 2017 17:23
What is sound, and how does it travel?