is metal a conductor, yes, no, sometimes , Does plastic come from Nature, No, yes, sometimes, Is glass transparent, no , sometimes, yes, is wood a insulator, no, sometimes, yes, Is freezing a reversible change, yes, no, sometimes, is Plastic waterproof , yes, no, sometimes, What is sieving , A mixture made from solid particles, Separating a mixture of sand and water.

Learning

さんの投稿です
印刷
埋め込み

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

)
自動保存: を復元しますか?