问题意识是指学生在认知活动中遇到的难题时产生的一种怀疑、困惑、探究的心理状态。在化学课堂中,教师应鼓励学生质疑求异,增强问题意识。要积极营造课堂情境,创设问题氛围,让学生爱问;要诱发思维火花,让学生善问;要启发引导示范,传授发问方法,让学生会问。让问题走进课堂,让我们的课堂更具活力。 Problem awareness is a kind of suspicion, confusion and inquiry psychological state that students encounter when they encounter problems in cognitive activities. In chemistry classes, teachers should encourage students to question differences and enhance awareness of problems. To actively create a classroom situation, the creation of a problem atmosphere, so that students love to ask; to induce sparks of thought, so that students asked good questions; to inspire and guide the demonstration, imparting questioning methods, so that students will ask. Let the problem into the classroom, so that our classroom more dynamic.