Which of the following is an Electrical Conductor?, Copper, Rubber, Glass, Plastic, Which of the following is an Electrical Conductor?, Aluminum, Wood, Iron, Water, When an object vibrates...It produces?, Sound waves, Vibrate, Matter, Waves, What is coal?, natural, man-made, What is tension?, pulls apart, squeezes together, Sound travels...., 330ms in the air, 220ms in the air, 110ms in the air, 440ms in the air, Sound is a form of energy that..., spreads from its source in all directions, a medium for its propagation gas, liquid and solids, Sound vibration travels faster through..., solids than in air, gas than solids, When the object stops vibrating,the sound stops, the particle around it vibrates as well, the particle makes sound waves, Sound travels___times faster in water, 4, 5, 6, 7

さんの投稿です

リーダーボード

現在、リーダーボード機能の改善に取り組んでいます。フィードバックをお寄せください。

フィードバックを提供する

表示スタイル

オプション

現在、アクティビティ設定の改善に取り組んでいます。ご意見をお寄せいただければ幸いです。

フィードバックを提供する

テンプレートを切り替える

自動保存: を復元しますか?