7.1 EC video activity
Watch the videos and do the LEARN and SPEAK activities.
Types of Energy110Level 6Advanced00:58
コショウを使った実験111Level 4Intermediate01:01
人間の熱を利用する100Level 3Intermediate02:01
電源装置を理解する111Level 5Advanced01:03
Watch the videos and do the LEARN and SPEAK activities.