True: National animal of Scotland is the unicorn. , Magnets attract metal, A magnetic field surrounds a magnet, A force is a push or a pull on an object, Like poles repel, Opposite poles attract, False: Magnets attract plastic, Poles are where the force is weakest, Most magnets are made of Uranium, Magnets can only repel, Paper is magnetic, Magnets have three poles,

排行榜

视觉风格

选项

切换模板

恢复自动保存: